NFC Strong Compatibility Wireless Stereo Bluetooth Headphone/Headset/Handsfree Z-B30
Specifications 1.Portable wireless music headphones for Phone 2.Answer and dial out phone convert automatically 3.Bluetooth2.1+EDR Class 2
Specifications 1.Portable wireless music headphones for Phone 2.Answer and dial out phone convert automatically 3.Bluetooth2.1+EDR Class 2
Specifications - Bluetooth Stereo Headphone - S1000 - Stereo Bluetooth headphone for iphone - Supports Bluetooth A2DP, AVRCP - CSR Main chip Bluetooth Stereo Headset for iphone- S1000 [Features]- Stereo Bluetooth headphone with back-hang style- Supports Bluetooth A2DP, AVRCP, and HS/HF profiles- Features CVC Software echo/noise cancellation for reducing noise - Wirelessly enjoy stereo music from all A2DP-enabled devices, such mobile phones, PDA, PC etc - Switch automatically from remote controls on the headset allow you to play, skip and select your music tracks.- Up to 20 hours of music playback time [Specification]- Bluetooth Specification v2.1+EDR class 2 - The latest version of A2DP1.2 and AVRCP1.0 profiles support- Supports Bluetooth Headset and Hands-free Profile(HFP 1.5)- RF Frequency Range: 2.402-2.480GHZ, 2.4G ISM band- Radio Performance: Receive Sensitivity of -90dBm, TX Power Max 4dBm- Frequency Response: 20 Hz - 20 KHz, Very high Signal to Noise Ratio (SNR):95 D
Specifications 1.NEW bluetooth stereo headset 2.Bluetooth 2.1+EDR 3.FCC,CE,BQB,RoHS 4.Available range:10m 5.A2DP,AVRCP Specifications of bluetooth: Bluetooth VersionV2.1 EDRTypeStereo headphone with internal micOperation Distance10mRange of Frequency2.4 to 2.4835GHz ISM bandSensitivity85dBPC InterfaceUSB2.0Music FormatMP3 at WMAStandby timeup to 200hoursMusic Playing Time10 hoursNormal Charging TimeWithin 3 hoursBattery3.7V 300mA Rechargeable Li-PolymerPowerImput AC 100-240V, output DC 5V 300mARF Output Power-6dBm to 4dBmOperating temperature-10’C to +55’CSupportsBluetooth Headset, Handsfree,HFP,HSP, A2DP and AVRCP Profiles Features of bluetooth: 1,Top Quality Blutooth Headset with Microphone.2.High Defition bluetooth headset with impressive bass sound.3.Can be easily connected to iphone,ipad,PC,cellphones e
Brand Name: Fronttek Model Number: M210BT Style: Neckband Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling,for computer/mobile phone/MP3/PSP Place of Origin: China (Mainland) spec.: wireless bluetooth headphone Color: customized any colors are available Logo: imprinted logo is available Waranty: one year Certificates: ce.rohs OEM: available Box size: 15*18.5*4.5CM CTN MEAS: 8*48*40CM G.W: .5KGS/CTN 60PCS/CTN Packaging & Delivery Packaging Detail: blister package or OEM customized package Delivery Detail: about 25 days Specifications Foldable wireless bluetooth headphone 1.professional headphone factory 2.for pc/computer/mobile 3.accept OEM 4.comfortable (m210bt)Foldable wireless bluetooth headphone Feature &
Specifications *Brand New Wireless Stereo Bluetooth Headset *Elegant Fashion Design *High Acoustic Fidelity *Extremely Competitive Price Brief Introduction: Speaker diameter: φ40 milimeters Impedance: 32 OhmsSensitivity: 108dB S.P.L.at 1KHz;Rated power:20mWAggregate capability:50mWFrequency Response:20Hz-20,000HzMicrophone Unit:φ6*5mmImpedance:≤2.2KOhmsFrequancy Response:30Hz-16,000HzOperating voltage:3.0V Specifications: 1)Support systems:audio equipments with bluetooth functions,such as PC,cellphone,MP3… ; 2)Bluetooth protocol standards:Bluetooth V3
Specifications 1.stereo headset 2.time of endurance:about 4hours 3.stand-by time:about 120hours Product features : 1.Bluetooth headset specification:V3.0+EDR 2.Bluetooth version: V3.0,compatible V1.1,V1.0,V1.2,V2.0 3.Support model: A2DP,Headset,Handfree 4.Data of battery: High performance lithium polymer battery 5.Transmission frequency:2.4GHZ 6.stereo headset7.time of endurance:about 4hours8.stand-by time:about 120hours 9.range of application:mobile phone with support bluetooth function,table pc,notebook would you like to know more about Bluetooth headset for other consumer electronics ,we will provide more for you, welcome to consult us....
Specifications in-ear bluetooth earphone Automatically switch between music and call Long standby time Muti-point connection OEM 2013 new product Bluetooh single earphone Specifications Model No. of Bluetooth Earphone Q900 Chip 6145 chip Supporting EditionBluetooth version: V4.0+EDR Frequency Range2.4GHz Bluetooth VersionV4.0 Other Compatible Versions V1.1, V1.0, V1.2 V2.0 Scope of Work 10 Mi Neipei Transmission Power of Bluetooth Earphone Class 2Transmission Distance About 10MSupport mode A2DP, Headset, Headfree Supported ModeBluetooth-enabled mobile phone, Tablet PC, laptop Talk / music playback time about 4 hours Wearing styleEar Hood Standby time of Bluetooth Earphone about 120 hours Unique functionsVoice calls broadcast, battery indicator, double-grain noise reduction Environment Temp.Working-20 °c - 60°cCharging0 °c - 45°c Storage-20 °c - 60°cBatte
Brand Name: TXY-CM-07 Model Number: Original headphones Style: Ear Hook Communication: Wired Connectors: Other Use: Computer, DJ Function: Noise Cancelling Place of Origin: Guangdong China (Mainland) Original headphones: Purple, black, white Specifications Original headphones bluetooth headset Earphone, Stereo Headphone, microphone Original headphonesBluetooth headset Specifications: Item: CM-07Color: purple, yellow, blue, white, black, etc.Weight: 1.5 kgPacking Size: 23*17*13cmmicrophone
Brand Name: OEM Model Number: E-Q520 Style: In-Ear Communication: Wireless Connectors: 3.5mm Use: Portable Media Player,moblie phone Function: Bluetooth,Waterproof,Noise Cancelling,Microphone,bluetooth Place of Origin: China (Mainland) warranty: one year quality: high quality orignal place: shenzhen color: black/white/grey delivery time: 3-5days payment terms: t/t. l/c, wester union. paypay Packaging & Delivery Packaging Detail: In gift box,100pcs/Carton,41.5*31*47MM.G.W.:6.64KG Delivery Detail: 1-10days Specifications bluetooth headphone 1.FOB:$0-$7.85/pcs 2.Port: shenzhen/hk 3.MOQ: 500 Piece/Pieces 4.Payment Terms: L/C,T/t Specifications bluetooth speakerGreat sound&Multiple use; connect 2 divices at the same time. can be used with other headphone jack3.5mmstereo Specifications : Bluetooth VersionV3.0TypeHandset/HandfreeOperation DistanceUp to 30 Feet (10Meters)Range of Frequency2.4GHz Sensitivity85dBPC InterfaceUSB2.0Charging Time2 HoursStandby
Brand Name: HFD Model Number: HFD-700+ Place of Origin: Guangdong China (Mainland) Bluetooth version: V2.1+EDR Working voltage: DC output5V Frequency: 2.4GHZ-2.48GHZ Type: Active Use: Portable Audio Player,Mobile Phone,MP3,MP4,Outdoor ,Portable,MP3,MP4,Ipod, Ipad Special Feature: Wireless,Portable,Mini,Noise reduction, Echo cancellation BT headset Channels: 2 (2.0) Packaging & Delivery Packaging Detail: Product size:167.3mm*135.6mm*16.9mm Plastic padding fixed in gift box 50PCS/CTN Ctn size:80*40*39cm G.W.:22.2KGS Accept packing customized Delivery Detail: 3~5 days for order Specifications 1.High Quality bluetooth headphone 2,support micro SD card/BT stereo headset 3, Unique neck-strap design High Quality bluetooth headphone Model: HFD-700+ Features:*Portable bluetooth headset, support micro SD card.*Double damping balancing technology, present perfect music.*Unique neck-strap design for easy carrrying, good choice for using in car or outdoors.*Easy magnet
Brand Name: Roman Model Number: R95 Style: In-Ear Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: GUA,Guangdong, China China (Mainland) Packaging & Delivery Packaging Detail: paper color box /Blister packing/wooden box/metal box Delivery Detail: 3-5 working days Specifications 1.mono wireless bluetooth headphone 2.Built-in rechargeable battery 3.Energy saving 4.Distinctly superior Features of Wireless headphone: 1.Wireless headphone with built-in rechargeable battery 2.Wireless headphone,suitable for different bluetooth mobile phones 3.Bluetooth mono call center headset, low end and long talk time 4.Wireless headphone with adjustable volume and 10 meters effective range 5.stylish mini and elegant appearance design 6.easy to wear without hook ,very comfortable 7.redial the last call,clear sound,reject call,volume adjustable 8.faster connecting ,convenient to li
Brand Name: sunrise Model Number: BH-214 Style: In-Ear Communication: Wireless Connectors: 2.5mm Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: Blister, polybag, color box, gift box. Delivery Detail: 3-5 days Specifications Stereo Bluetooth headset for Nokia 1.high quality . 2.lowest price. 3.fast delivery. 4.have big stock. SpecificationsStereo Bluetooth headset for Nokia1.high quality. 2.lowest price. 3.fast delivery. 4.OEM service. Stereo Bluetooth headset for Nokia Clip Stereo Model,superior Clear Voice Support HSP/HFP/A2DP Bluetooth 2.1+EDR Feartures: CE,ROHS,FCC,UL and BQB approvalExtremely good quality,superior clear voiceElegant and Fashion design Bluetooth Headset Stereo,Bluetooth version 2.1+EDRSupports HSP and HFP profiles and A2DPRechargeable Battery:Li-ionLong talking time:range up 6 hoursExtremely Light:Only 9gColor:Black,Whte,Golden and Sil
Specifications 1.Bluetooth 2.0 2.Built-in rechargeable li-on polymer battery 3.12 Hours long talk time 4. Micro-SD card (up to 4GB) Specifications
Brand Name: Sunvision Model Number: SVS-HP-WLB06 Style: Headband Communication: Wireless Connectors: usb, mobile phone, computer Use: mobile phone, computer Function: Microphone Place of Origin: Guangdong China (Mainland) Name: Bluetooth Headphone System: VHF/RF Modulation: FM Operation Distance: >30meters(360 degree) Speaker: 27mm mylar Frequency Response:: 20-20000Hz Transmission Frequency:: 86MHz ±0.5MHz Receiving Frequency: 84-108MHz(±0.5MHz) Power Supply Headphone: 3V(2*1.5V AAA batteries) Packaging & Delivery Packaging Detail: packaged with color box Delivery Detail: sample 3-7days, leadtime is depending on your order quantity. Specifications Fashionable Stereo Portable Bluetooth Headphone from china factory for 7 years with CE and RoSH certification. Fashionable Stereo Portable Bluetooth Headphone Item Description  
Brand Name: OEM Model Number: ME-302 Style: Ear Hook Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Signal Frequency: 2.4-2.48GHz Battery: 80mAh Li-Polymer Battery Talk time: 2.5 hrs Standby time: 45hrs Packaging & Delivery Packaging Detail: gift box Delivery Detail: 20 days Specifications best bluetooth headphones, wireless earbuds Bluetooth version 2.1+EDR CE,ROHS Bluetooth version 2.1+EDR Mini sdesign,smallst zise CE,ROHS,FCC *Bluetooth standard: V2.0 *Signal Frequency: 2.4-2.48GHz *Transmission power: Class2 *Measurement: 41*16*23mm *Weight: 7.12g *Function: Headet/Handfree profile *Working range: 10M *Talk time: 2.5 hrs *Standby time: 45hrs *Charging time: Less than 2 hrs *Battery: 80mAh Li-Polymer Battery *Charger P
Brand Name: Rambotech Model Number: BSH555 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Multiple connectivity options: Line-in, BLE 4.0 Operating range: 10 meters Talk time: Up to 12 hours Music playback time: 8 hours Standby time: Up to 500 hours Packaging & Delivery Packaging Detail: color box Delivery Detail: 35 days Specifications bluetooth headphone 1. Hi-Fi visual 3D 2. Bluetooth V4.0+EDR 3. CD quality music through APTX 4. Wired+wireless headphone HIFI Bluetooth headphone BSH555,New product!!! looking for distributor bluetooth headphone Model: BSH555 Feature*Hi-Fi visual 3D stereo Bluetooth headphone*Bluetooth V4.0+EDR compliant*CD quality music through APTX, compatible with Bluetooth-enabled mobile phone,PDA,PC and other equipment*Multiple connectivity options: Line-in, BLE 4.0*A2DP switch between two connected phones*Automatically switch between line-
Specifications 10m connection Built-in microphone and rechargeable Li-ion battery Key Specifications 1.Frequency response : 20 Hz – 20KHz 2.Bluetooth® : V2.1 + EDR 3.Transmission Mode : GFSK 4.Operating voltage : 3.7 V 5.Signal-to-noise ratio : > 80 dB 6.Channel separation : >30 dB 7.Distortion : <2% Feutures: 1. Pause the music & Play back automatically when receives an incoming call 2. Micro USB connector allows charging via AC power adaptor or computer USB por
Specifications 1. Bluetooth stereo headphone for mobile phones 2. CE ROHS 3. Fashion & smart appearance 4.Operation disctance: 10 meters Fashionable smart stereo Bluetooth headphone Model NO.: BT207 Main Features:Crystal clear sound quality from your multimedia players and cell phones Music pause and play back automatically when a call comes in and finishes Easy-access buttons and controls: volume + / -, play / pause, previous/next song Remote control of paired Bluetooth device External microphone for hand-free conversation from mobile phones Full support for HSP, HFP, A2DP and AVRCP Bluetooth profiles Comfortable headband and smart swivel design Long battery life: 15 hours of talk, 8 days on standby modeEasy to charge by USB-Mini USB cable Fast charging time-about 2-3 hours on completely empty batterySpecifications Bluetooth Version: V 2.1 Bluetooth Profiles Supported: Headset, hands free, A2DP and AVRCP F
Specifications *Bluetooth headphone With Microphone *Frequency:2.4GHz-2.48GHz *Music time: Bluetooth 10h MP3 8h *Standby time: Up to 26h New Arrival DT120s bluetooth headphone *Frequency:2.4GHz-2.48GHz*Music time: Bluetooth 10h MP3 8h*Standby time: Up to 26h Newest Bluetooth Headset With Microphone DT120s Specificaions:*Bluetooth Headset For Both Ears *Frequency:2.4GHz-2.48GHz*Music time: Bluetooth 10h MP3 8h*Standby time: Up to 26Technical parameter and specification:Frequency range:2.4GHz-2.48GHzTransmission power: Class 2Operating voltage: 3.6vOperating current: Bluetooth≤25mA Mp3≤45mAStandby current:≤0.5mATramission distance: Max.20M(open space)\Headset size: 160*125*70mmMusic time: Bluetooth 10Hours MP3 8HoursCharging time: 2-3 HoursTalking time: Up to 12 HoursStandby time: Up to 260 HoursGross Weight: 0.5KGPackage Size:18*17*7cm
Specifications 1.Studio Headphone Mixer 2. Bluetooth headphone 3. Super sound quality, extra bass system 4. Suits for all audio 5.CE.FCC Material:Earcap : Metal/Wood/Plastic.etcCable : PVC/TPE/PU/Febric. etcPlug : 2.5/3.5MM/6.3MM Nickel plated/Gold plated stereo/mono plug. etc Craftship:Wire stripping →Tin soaking→Plug welding→Plastic injection →Assembling→Speaker welding→Assembling earcap→Functional test→Packing→FQC→Storage→OQC→Arranging shipment MOQ:Earphones: 5000pcs Headphones: 3000pcs Grade (quality ) :High quality material+ Excellent Techiques Packing:A. Our Packing : Images below for referenceB. Custom Packing : Can add logo, images etc all by your request Features:A: Stereo earphone with excellent soundB: With CE/ROHS/FCC certification complianceC:Fashional design,work with Iphone/Ipod/Ipad/MP3 and so onD: Frist hand mateirals com
Specifications bluetooth headphone 1) Bluetooth 2.0 Version 2) Transmitting Power: Class 2 bluetooth headphoneWireless Bluetooth Stereo HeadsetFeatures: 1) Wirelessly transmitted stereo music via Bluetooth Adapter (acoustics devices like IPOD, PSP, MP3). 2) Support A2DP mobile phone, the mobile phone can be transmitted stereo music directly. No need the Bluetooth Adapter. 3) With foldable and comfortable headset you can keep enjoying for long time 4) Bluetooth headset designed with 2 purchase of hi-precision speaker, superior sound, powerful bass system Specifications: 1) Bluetooth 2.0 Version 2) Transmitting Power: Class 2 3) Operating distance: up to 10 meters 4) Frequency Range: 2.4026 GHz-2.480GHz 5) Rechargeable battery: Lithium polymer, 450mAh 6) Charge Time: ≤4hours 7) Talk time: ≥22.5hours 8) Listen time: ≥16 hours 9) Standby time :≥180hours 10) Charger specifications: DC5.0V 300mA OEM are Welcome! we can print customer's artwork and logoType of Packing: Color
Specifications 1. stereo Bluetooth headphones with Line in function 2. factory sell directly 3. with MIC, line-in Color black,white,red,silver Speaker 1.5inch 4Ω Bluetoothsupport Line insupport Colorful,fashion,stereo Bluetooth headphones with Line in function SpecificationBluetooth Headphone with Line-in function.1. V2.1 Bluetooth Function Stereo good sound, Distance: 10m2. Line-in Function,with Mic3. Built in Lithium battery 500MAH, 4. Charge time: 2hs, play time: 6hs.5. Output power: RMS 0.5W(0.25W*2) THD=10%6. Frequency Response: 150-18KHz7. Loud Speaker 1.5inch 4Ω8. Color: black,red,white,light blue9. Packing: 60pcs/ctn, Carton size: 66*36.5*35cm. N.W/G.W: 13.5kgs/14.7kgs
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
Brand Name: OEM Model Number: headset Style: Headband Communication: Wireless Connectors: 3.5mm Use: Portable Media Player Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: anti-static bag,paper box,polybag. Delivery Detail: within 48 hours after received payment Specifications 1. Headphone with Leather earpad, more comfortable 2. Music heaphone with High-Fidelity, 3. Headset with Foldable design Best sale top quality most popular brand name bluetooth headset Key specifications:Bluetooth specification: V2.1+EDRBluetooth profiles: HSP, HFP, A2DP and AVRCPOperating distance: 10 meters Class IIRechargeable 430 mAH Li-polymer batteryTalk time: Up to 16 hoursMusic playing time: Up to 14 hoursCharging time: About 3 hours Special features:Folding and retractable design, easy to take with you.Enjoy stereo music wirelessly from Bluetooth A2DP d
Specifications wireless bluetooth headphones for tv 1.CSR chipset with two microphones; 2.noise cancellation function. wireless bluetooth headphones for tv Item No.HF880size178 x 149 x 70 mmweight155 gBluetooth Standardbluetooth V2.1+EDRFrequency Range2.400-2.481GHzOperationClass 2Bluetooth Modeheadset/handfree/A2DP/AVRCPOperating rangeup to 30 feet (10 metres)Talk Timeup to 18 hoursPlaying Timeup to 10 hoursStandby Timeup to 400 hoursCharge VoltageAC:input 110-240V, DC:output 5.3VSpecial Feature 1TF card is availableSpecial Feature 2The best partner of instrument with Android & IOS system
Brand Name: GS Model Number: GS-HD601 Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: China (Mainland) Packaging & Delivery Packaging Detail: blister packing Delivery Detail: 28 days Specifications Bluetooth Headset Super Tone Quality Lower price Exclusive private mode Your best Choice Bluetooth stereo headphone Bluetooth V3.0, class II 3.5mm audio cable+micro USB port wireless&wirled Bluetooth in one Feature : * Bluetooth V3.0, class II* Up to 15 meters in working distance (open space)* Bluetooth profiles: A2DP1.2/AVRCP1.0/HSP/HFP* up to 14 hours talk time* up to 11 hours music playback time* up to 6 days standby time* Voice recognition for true handsfree by saying '
Specifications 1. Headphone with Leather earpad, more comfortable 2. Music heaphone with High-Fidelity, 3. Headset with Foldable design Fashion design DJ headset for smart phones branded bluetooth headphones Key specifications:Bluetooth specification: V2.1+EDRBluetooth profiles: HSP, HFP, A2DP and AVRCPOperating distance: 10 meters Class IIRechargeable 430 mAH Li-polymer batteryTalk time: Up to 16 hoursMusic playing time: Up to 14 hoursCharging time: About 3 hours Special features:Folding and retractable design, easy to take with you.Enjoy stereo music wirelessly from Bluetooth A2DP devices.Embedded microphone for hands-free conversation from Bluetooth-enabled cell phones.When receives an incoming call, the music will pause automatically.Easy controls for mute, call transfer, voice dial and call answer/end/reject.Support remote control of play/pause, previous/next track, volume up and volume down.Automatically connect to the last connected Bluetooth device.Micr
Brand Name: YANMAI Model Number: 990 Bluetooth Style: Headband Communication: Wireless Connectors: USB/3.5 Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) model: 990 Bluetooth functions: bluetooth/wired headphone protocol standard: bluetooth V3.0+EDR Speaker size: 40mm(Dia.) Impedance: 32 Ohms Frequency response: 20Hz~20KHz standby time: 200 hours battery: rechargeable 350mAh Operating distance: 10m (Max.) appearance color: black/white/red/orange Packaging & Delivery Packaging Detail: color window gift box Delivery Detail: 30 days after 30% T/T deposit Specifications 2013 new stylish design hifi stereo sound quality bluetooth v3.0+EDR standby time 200 hours colorful appearance newest design hifi stereo bluetooth headphone 990 series Product Features1. Hi-fi stereo wireless bluetooth transmission2. Built-in EQ equalizer3. High anti-interference antenna4. Built-in large capacity rechargable lithium battery5.A
Specifications 1.ROHS,CE,FCC 2.Bluetooth 2.0 3.120 hours standby 4.8 hours phone call EXW SHENZHEN Price:US$8-11/Piece.Free Sample OK Specification:Scientists generally believe that long-term exposure to electromagnetic radiation than 0.2μt is safe. However, any form of artificial electromagnetic radiation are harmfull on humans, and most of our electrical appliance, bring more than 2μt radiation. Phone is used in our every day life, and radiation from mobile phone is astonishing. As the phones are the high-frequency products (30MHz ~ 2000Mhz), the test unit microwatts per square centimeter, in the case of standby, the&
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