Brand Name: kingartor Model Number: KA-M0584 Style: Headband Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth Place of Origin: China (Mainland) Colour: optional MOQ: 1000 Packaging: optional Logo: customized logo Warranty: 1 year Packaging & Delivery Packaging Detail: opp polybag Delivery Detail: As per exact quality and customer's require Specifications 1.bluetooth headphone wireless headset 2.CE and Rohs 3.MOQ 1000pcs 4.OEM order welcome 5.Sample ok headphone wireless bluetooth headphone Features: 1. headphone wireless bluetooth headphone 2. Manufacture with competitive price & good quality3. Imprint customer's logo as request4. Excellent sound performance 5. Custom packing design service6.1- 2pcs free samples available 7.headphones for personal use, for gift to friends ,for company sales promotion ,for supermarket retail or wholesale or any other Enterprises or institutions requires
Brand Name: hotom Model Number: hotom007 Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Name: Bluetooth Stereo Headset Colour: White ,Red, black charging time: 2 hours horn diameter: 40 mm transmission range: more than 10 meters output power: Class II Packaging Details:: Stardard package Packaging & Delivery Packaging Detail: Stardard package Delivery Detail: 3-4days Specifications 1)Bluetooth4.0wireless headset. 2)Compatible with all Bluetooth A2DP enabled devicce 3)Working more than 24 hours in 30 mete cool HI-FI wireless floding bluetooth headphone for mobile phone bluetooth headset specifications 1) the battery 3.7 V / 500 mah lithium-ion polymer battery2 )calls (bluetooth) about 24 hours3 )music (bluetooth) about 24 hourS 4 )charging time: 2 hours5 )frequency response: 20-20 000 hz6 )horn:32 ohrn7) horn diameter:40 mm8 )bluetooth freque
Specifications 1.10M Mono Bluetooth Headphone 2.V2.0+EDR version 3.3H about talking time 4.85H about Standby Time 5.Hands Free/Headset Features and function:Mono Bluetooth HeadsetVersion: V2.0+EDRMode: Hands Free/HeadsetFrequency:2.4GHzTransmit Power: Class 2Range: 10MPower: AC Input 110-240V, DC Output 5VTalking Time: 3H aboutStandby Time: 85H aboutDimmension: 35*17*9mmProduct Weight: 6g about Pictures:
Brand Name: OEM Model Number: BTH03 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Portable Media Player Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) colour: black, red, speaker: bluetooth speaker battery: built-in rechargeable battery RF range: 30feets output: 3W Packaging & Delivery Packaging Detail: 12pcs/carton Carton size: 43*29*49cm Net Weight: 5.6 KGS Gross Weight: 6.6 KGS MEAS:37.5*26.5*48CM Delivery Detail: 10-25 days Specifications bluetooth headset for Ipad,iphone,Ipod 1.Bluetooth+MP3+calls 2.Super comfortable sponge cover 3.Foldable ear hook Features:Works with most Bluetooth-enabled device Aux-in port for connecting with other music devicesCall pick up/hang upVolume controlRedial last callMedia control: pause, play and Music TrackBuilt in Li-ion polymer rechargeable battery
Specifications Noisy cancelling EVA headphone case 1.EVA is eco-friendly material 2;hard, protective and waterproof 3;utility, custom made Bluetooth Headphone Bags, Earphone case Cover Black ------------------------------------------------------------------------------------------------ Commodity Details & Packing & Delivery Surface MaterialPUPolyster, Knitted fabric,polyster,Mutispandex,Nylon ...can be also used as the surface,material.Body MaterialEva Can be hard enough to protect you cd/vcd, but good priceLining MaterialVelvet Or we can choose other materials, spandex,non-woven...Size 24*15*10cm(Length,Width,Thickness) Cna be done as your requiredLogoemboss,rubber patch,printor puller logo... FeaturesECO-Friendly material, Durable, protective, duskproof,Convenient for carrying you devicePackingPP Bags per piece + Strong export Carton Box. 60pcs/ctn carton s
Brand Name: Avantree Model Number: BTHS-AH28-SLR Style: Ear Hook Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Specifications 1. Auto connect 2. Simple use 3. Good sound quality and operation range 4. No MOQ Avantree AH28 is a light wireless cost effective headset within Avantree family. It allows you the freedom to make and receive calls while on the move or in the office. You can use the headset with any compatible device that support Bluetooth wireless technology. * Refreshingly simple to use* Small and light-weight* Comfortable fitting* Auto-reconnection * Bluetooth V3.0+EDR* Support Profile: headset profile and handsfree profile* Class 2, 10 meters* Talk Time: up to 3.5hrs* Standby time: up to 60hrs* Charging Time: 1.5 hrs* Battery: Rechargeable 65mAh Li-Polymer battery* Headset size:15*44*11mm* Headset weight: 6g only * Avantree Bluetooth headset* USB
Brand Name: Feelymos Model Number: E1 Style: Ear Hook Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Version: Bluetooth V3.0 + EDR, A2DP IC: CSR BC6145 Color: Black/Red / Blue Battery: rechargeable lithium polymer Packaging & Delivery Packaging Detail: Retail package: 11.7*18.7*4.8cm 7pcs/carton : 38*22*13cm 28pcs/carton :38*46*28cm Delivery Detail: 3~5day Specifications 1)Super mini wireless bluetooth headset 2)Suports A2DP with high quality stereo function 3)Multi-connection,connect 2 phones ItemSpecificationVersionBluetooth V3.0+EDR,Hands-free,A2DPICCSR BC6145Talking time4hoursStandby time60hoursDimension72*22.5*15mmWeight8gOperation distancewithin 30FT(10m)Frequency range2.40-2.48GhzMusic playingabout 4hoursCharging timeabout 1.5hours Product features Special carbon fiber design( like diamond surface, ultra light and strong)Supports A2DP with high quality music playing funct
Specifications 1.For PS3 Bluetooth Headset 2.DC 5.0V / 120Ma 3.Bluetooth versions V2.1 4.Factory price! High Quality 5.OEM OEM! For PS3 Bluetooth Wireless Headset product information: Bluetooth Version: V2.1 Compatibility with V2.0 and V1.2Chip: CSR blue core 6Transmission distance: 10M(class 2)Frequency: 2.4 GHzWeigth : 0.45KGStandby time: 220 hoursTalk time: 13 hoursCharge hours: less than 3 hoursPower supply: DC 5.0V / 120MaWorking voltage: 3.3--4.2VColor: black, metal grayAccessories: 1.USB charger 2. USB charge cable 3. User ManualPacking: blister card & PE Bag
Specifications 1,Fashional and innovative design; 2,super-bass sound; 3,CE,ROHS certificates. Headphones Specification:1.Hi-Fi stereo headphones. 2. Good performance 3. Powerful magnet systems and lightweight diaphragm to provide high-quality sound 4. Powerful bass and increased signal levels for modern rhythm music Advantages:1,We have over 800 workers which means we could offer you much faster delivery time;
Brand Name: Bassen Model Number: RO-LY Style: Headband Communication: Wireless Connectors: Bluetooth Use: anti-radiation Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) material: plastic color: black,red,yellow,blue,pink feature: anti-radiation button: pick up/hang up connection: bluetooth packing: color box using distance: 10 m charging time: 1-2 hours usage: mobile phones,tabalet Certificates: CE,RHOS Packaging & Delivery Packaging Detail: gift box Delivery Detail: 5-7 working days Specifications bluetooth headphone Improve call comfort Volume control work with device with bluetooth function Using distance: 10 Bluetooth headphone with Base Product advantages: Available worldwide, long talking time. The Bluetooth technology cost no extra money to use it in the world, so the customers who don't know this point about the Bluetooth can use it without worries. After you get it, you just need to recharge for the product when
Brand Name: OEM Model Number: Sxi-ZJ81 Style: In-Ear Communication: Wired Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Bluetooth Specification: 2.1+EDR Bluetooth Profile: A2DP1.2, AVRCP1.0, HFP1.5, HSP1.0 RF Range: 10 m Frequency Response: 80Hz-20KHz Receiver Output: 100 mw rms Signal-To-Noise: :â¥80dB Distortion: â¤1.0% Charging Time: 2.5 hours Charge connector: Micro-USB connector Product Size: 161 x 156 x 71 mm Packaging & Delivery Packaging Detail: Nomal package: Blister box+export carton Delivery Detail: About 10-30 days on receipt of deposit order Specifications Bluetooth Headphone 1.Latest Bluetooth V2.1 support 2.Extra compact design 3.Support Hands free and headset profile Multi-function Button Design Wireless Stereo Bluetooth Headphone for iphone/smart phone Description: 1>Bluetooth Specification 2.1+EDR2>Bluetooth Profile A2DP1.2, AVRCP1.
Specifications Excellent sound quality with BC6130 V2.1+EDR -Bluetooth headset with digital recording-Records incoming and outgoing calls-Record voice memos-Store multiple recordings, up to 10 minutes-Record, play, skip, delete, and delete all functions-Recording audio indication-Memory full audio indication-Perfect for truckers, restaurants, and on-the-go business functionsSpecifications:-Working range: up to 10m-Bluetooth version: V2.1 + EDR -Blocks 4 times the external noise-Multi-point supported: 2 connections simultaneously-Simple pairing support-Maximum talk time: 6 hours-Maximum standby time: 150 hours-Headset to handset transfer-Comfortable over-the-head profile-Flexible swivel boom microphone for left or right ear-Volume adjustment-Low battery LED and audio indication-Attractive rubber coated designAccessory: -USB charger (optional)-USB charging line-User's guide
Specifications 4.0 Bluetooth Headset 1>In-Ear design 2>Easy operate buttons 3>Super sound quality 4>Compatible with any bluetooth devices 2013 New Items! Multimedia 4.0 Bluetooth Headset/ Bluetooth Earphone/ Bluetooth Headphone Features: 1>In-Ear design 2>Different communications experience 3>Easy operate buttons 4>Bluetooth V4.0 supporting 5>Compatible with any bluetooth supported devices, like Mobile Phone, PDA, PC, etc. 6>Wireless connection to Bluetooth compatible devices should be within 10 meters / 33 feet11>Working range: 10M12>Talk time: ≥ 5-6 hrs13>Standby time: ≥ 120 hrs14>Charging time: less than 3 hrs15>Battery: Rechargeable 95mAh Li-Polymer Battery16>Charger Power: Input 100-240 V AC, Output: 5V DC17>Standard Layout: 1*Bluetooth headset+1*Charger+1*Ear line+1*Product manual Advantages of 4.0 Headset over 3.0 Headset 1. Longer talk time
Specifications 1.charming stereo wireless headset 2.CE & ROHS 3.Fast delivery 4.Bluetooth Program:ISSC+Class2 5. bluetooth headphone charming stereo wireless headset, bluetooth headphone Product Discription: Bluetooth Core: V2.1+EDR Bluetooth Program:ISSC+Class2Standby time: ≥ 100hoursTalk time: 6hoursCharging Time: 2-3 hour Standby Current: 0.7-1mABatery Capacity: 48mA/hWireless Frequency Range: 2.4GTransmission Power: 0 dbmTransmission Distance: 10MEnvironment Temperature: -20/+60 °COperating Voltage:3.7V More tips: Bluetooth is a radio technology developed to deliver short-range wireless mobility. It eliminates the physical wires between the high technology devices such as mobile phones.Most advanced Mini Bluetooth Headset with length 29.4mm & weight 6.8g only. Up to 5.5hrs talk time & 10m range allows you talk anytime freely.Bluetooth Headset works up to 15m allows you talking everywhere. All phone calls are connected wireles
Specifications bluetooth headphone: 1.high definition sound 2.with mic controltalk 3.light and compact for lifestyle 4.comfortable Wholesale High Definition Stereo Bluetooth Headphone : Sound Noise Level(dB) EFFECT Whisper30Very quietQuiet Office50-60comforatble hearing levels are under 60dBVacuum Cleaner,Hair Dryer70Intrusive,interferes with telephone conversationsFood Blender85-9085dB is the level at which hearing damage(8hrs.) beginsGarbage Truck,Cement Mixer100No more than 15 minutes of unprotected exposure recommended for sounds between 90-100dBPoer Saw,Drill/Jackhamer110Regular exposure to sound over 100dB of more thatn 1 minute risks permanent hearing lossRock Concerts(varies)110-140Threshold of pain begins around 125dB Keys and Parts:1. Multifunction key2. Track back3. Volume
Brand Name: MSphone Model Number: XSL-298 Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Material: ABS Color: White,black,red,yellow,blue,pink Transmission Scope: 10 meters Packaging & Delivery Packaging Detail: Gift Box. Delivery Detail: 5 days Specifications 1.Support all bluetooth mobile phones. 2.Volume control,noise-reducing,anti-radiation. 3.CE/RoHS approved. 4.OEM service. Use the steps1. Turn on the power: When using Bluetooth, press the function key until the blue lights and flashes.2. Pairing:A. Press the Bluetooth device function key, when there is a long bright blue light when you can match;B. Activate the phone Bluetooth function;C. Open the Bluetooth search function;D. receive search to MSphone model, chose the model, then the blue light flashes that pairing success (phone pairing password is: 0000, this Bluetooth device model: MSphone)3. Calls: phone calls, the phone still rings ring
Specifications bluetooth earphone: 1.with most bluetooth device 2.perfect for air travel 3.high definition sound 4.A-grade quality We warmly welcome to your OEM orders: www.sechange.com Noise Isolating On-Ear Headset S450 Wireless Bluetooth Headphone : * Wireless Bluetooth On-Ear Headset,A-grade quality * High definition sound in a completely wireless design * Built-in Bluetooth technology,with most luetooth device * 2012 Fashion New Design If you are interested in our headphones,please don't hesitate to contact us for business negotiation!!! We look forward to your inquiry!!!
Specifications 1.Bluetooth Headphone 2 Fashionable sports stereo wireless bluetooth headset Hotest Bluetooth Headphone Fashionable sports stereo wireless bluetooth headset for OEM/ODM Specifications1. Hotest Bluetooth Headphone Fashionable sports stereo wireless bluetooth headset 2.OEM/ODM welcome. 3.Best price and timely serviceBluetooth Version: 2.1 + EDRWorking Distance : Up to 10 metersFrequency response : 20~20k(Hz)Frequency: 2.4GHz Impedance: 32Ω Battery: 3.7V 180mAh USB Inpu
Specifications 1.plastic earphone 2.colorful earphone 3.in-ear earphone 4.3.5mm stereo plug New!Hot sale!Bluetooth headphones! New!Hot sale!Bluetooth headphones! Here is bluetooth headphones Enjoy Music without wire. Key features: Maximum bass and fidelity, wide and clear sounds enable you enjoying the music happily and freely…..Fashionable and novel design zipper HeadphoneThis Universal lightweight Zipper headphone allows you to enjoy your music in a trendy fashion.Noise isolating earcup block exterior noise to enhance your listening experience.Adjustable inside-stainless headband and foldable headphone, easy to store, convenient for travel.Also an ideal choice for the classical music lover.3.5mm plug and/or 2.5mm plug, ideal for iphoneMore Colors choice: Black and white. Product Characteristics: SpeakerDriver Diameter: Ø40mmImpedance: 32ΩFrequency Response: 20Hz~20kHzSensitivity (S.P.L):108
Specifications Wireless Bluetooth Headset For PS3 Game 1.20-degree variable mic arm 2.Provides perfect sound quality 3.Volume adjustable Wholesale Wireless Earpiece Bluetooth Headset For PS3 Online Game Product Specifications:
Brand Name: OEM Model Number: Y-3145 Style: In-Ear Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: standard package Delivery Detail: 3-5 days upon receipt of the payment Specifications Mini USB IN Built-in lithium battery (charged via USB) Built in Microphone for Handsfree Cell Phone use Sports Wireless Bluetooth Headset Headphone Earphone 4 colors This Bluetooth not listen to music for your phone ,it just call and answer for mostly phone! it just listen to music for series phone !hope you know this before you buy it! •Easy to use•Portable back-hang design, convenient for sports•Allow you answer the phone anytime and anywhere•Suitable for phone or pcSpecifications:•Buttons: Play/ Pause, VOL +, VO -, Call/ Receive•Talk time: 4 hours•Standby time: 100 hours•Dimension: About 14.5 x 13.5 cm•Mini USB IN•Buil
Brand Name: OEM Style: Headband Communication: Wireless Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: blister Delivery Detail: 3-7working days Specifications MINI Handsfree Bluetooth Headset SpecificationBluetooth Profiles : HandsfreeBluetooth Version : V2.0Transmission Power : Class 2Transmission Range : 10 MetersTalk Time : 7 HoursStandby Time : 100 HoursPower Supply : Built in Rechargable Li-ion BatteryDimension : 25x20x11mmNet Weight : 8.5gWhat's in The Box : Bluetooth Headset , User Manual , AC Adapter
Brand Name: chnlan Model Number: HS300 Style: Ear Hook Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Packaging & Delivery Packaging Detail: blister packing Delivery Detail: 3-4 days Specifications 1.Rapid charging. 2.Simplified pairing. 3.Automatic volume control. 4.Compatible for BlackBerry all models handsets. FOR BLACKBERRY HS300 BLUETOOTH HEADSET 1.Rapid charging.2.Simplified pairing.3.Automatic volume control.4.Compatible for BlackBerry all models handsets.5.Up to 4 hours standby time.6.120 mins talktime.7.10m range.8.Noise cancelling technology.9.Call answer.10.LED indicator.11.LED display.12.Volume adjust.13.Weight 8g More image:
Brand Name: www.trait-tech.com Model Number: T-MH-148 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling,bluetooth Place of Origin: Guangdong China (Mainland) color: black Packaging & Delivery Packaging Detail: Blister packing Delivery Detail: 1-3 days Specifications Bluetooth headphone Comfortable and portable Excellent sound quality wireless earphone OEM welcomed Elegant Handsfree Stereo bluetooth headphone Lets you listen to stereo music through your bluetoothEnabled mobile phone or music player, while ensuring you never miss a callUse2.5mm music cable for wired music listening from your PCFolding style is more fashionable and convienientCompliant with bluetooth version 2.1 + EDR specification, and is compatible with latest mobile phoneProduct specificationBlutooth version: V2.1+EDRFrequency: 2400.0-2483.5MHzBluetooth supported: headset, handfree, A2DP and AVRCPChipset: CSROperation range:10mTalk time: up
Brand Name: HFL Model Number: HFL-DSC00143 Style: In-Ear Communication: Wired Connectors: other Use: earphone Function: Bluetooth,Silicone earphone plugs Place of Origin: Guangdong China (Mainland) Material: 100% food grade silicone Size: 12x13mm Layer: Double Layers Color: Different Colors Payment terms: T/T, L/C Payment methords: FOB shenzhen MOQ: 10000pcs Certificate: ISO9001, SGS Shipment: as customized Packaging & Delivery Packaging Detail: Inner packing:2pcs packed in polybag,1000pcs packed in polybag outer packing:10 polybags/ctn measurement:335*290*265mm We also can make the packing by clients' request . Delivery Detail: 15-25days Specifications Silicone earplugs for bluetooth headset 1,Material: silicone 2,MOQ:10000pcs 3,Shipment: as customized 4,Color: as customized silicone earplugs for bluetooth headset:1.Made of 100% grade silicone with FDA and SGS approval2.Bowl shape to fit the ear canal comfortably for decreasing noise 3.Non-toxic,smooth, dirt resistant4.More
Specifications Headset with MIC. Designed for left or right ear use with 360 degree rotating. Adjustable headband to fit most head size. 1,Type:Computer Bluetooth Headphone With Microphone 2,Frequency Table:2.4026GHz-2.480GHz3,Calling Time:8hrs4,Standby Time:160hrs5,Battery:180mAh6,Distance:within 10m7,Speaker Diameter:30mm8,Microphone:6*5mm-42*B+3dB9,You can use it to enjoy music from the computer,the sound quality is so great10,The human design makes you feel so comfortable even wearing it for such long time11,Its our patent deaign,so special for the market Sample ordering it is available now.
Brand Name: tayogo Model Number: WBH9-WL Style: In-Ear Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth,Waterproof,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Color: Black/White/Blue/Yellow/Red/Pink Material: PP Wear Type: Headband Waterproof Rank: IPX8 Charge: USB rechargeable Play Time: Up to 6hours talking time Fuction: Bluetooth,waterproof,Noise free Bluetoothe Verstion: V2.1 Feature: swimming,spa,sauna,shower,ski Certification: CE&Rohs Packaging & Delivery Packaging Detail: customer package or neutral pacakge Delivery Detail: 7-15days Specifications wireless headphones wireless headset stereo bluetooth headphon hot selling 2013 wholesale 1.Bluetooth and waterproof Fuction wireless headphones wireless headset stereo bluetooth headphon hot selling 2013 wholesale &nb
Brand Name: koko Model Number: Y528 Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: cartons or boxes Delivery Detail: 2-5 working days Specifications BH-503 Nok Bluetooth Headset 100% brand new BH-503 Nok Bluetooth Headset 100% brand new Features:Music to your earsListen to your favourite music and stay connected to your mobile device with this wireless stereo headset.Enjoy your musicHear your tunes in high-quality stereo sound and easily access your mobile device\'s music library without missing a call.Comfort meets styleWear the wireless headset comfortably with the convenient over-the-ear design or carry it with the easygoing neckband.Quality in audioEnjoy crisp, high-quality audio so you can listen to your music and take calls in clarity. Specifications :Control the music player and manage your calls with easeStay comfortably stylish with the over-the-ear design and neckbandEnjoy high-quality stereo sound from your comp
Brand Name: skyringe Model Number: SK-780 Style: Headband Communication: Wireless Connectors: USB Use: Computer Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Color: black or as your requirement OEM: Available Packaging & Delivery Packaging Detail: 1pc/Blister Package or Color Box, Common Export Carton; or as clients' requirement Delivery Detail: 20-25 days after confirming all Specifications Cool appearance, excellent tone quality. Bluetooth headphone style makes you so cool. Very fashionable bluetooth headphone Hot Sale !!! High technology! 2013 Newest Style Bluetooth Headphone! So Cool, So gracious! You should have one!!! Features & Benefits: &nbs
Specifications Bluetooth Headset LG Tone+ HBS 730 universal mobile phone bluetooth headset double ear hook headset wireless earphone Bluetooth Headset LG Tone+ HBS 730 SpecificationLG Tone+ delivers enhanced audio and bass response and a host of calling features in a sleek, comfortable design Built in apt-X technology reproduces CD quality sound over a Bluetooth connection 10 hours of listening/15 hours of talk time provide all day connectivity Text Message reading through LG's BT reader Application for Android OS Unique, around the neck, wearing style provides all day comfort and ease of use FeaturesNoise reductionEcho cancellationText to speech***Multipoint connectionCall waiting*Call reject*Auto reconnectVoice activated dialing*Last number redialEasy pairingApt-X compatibleAround neck wearing styleBattery status alert15 hours talk time10 hours listening timeUp to 15 days standby timeBluetooth version: 3.0A2DP (Advanced Audio Distribution