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
Specifications Bluetooth headphone v2.0,comatible with any bluetooth enabled mobile phones. 1) Bluetooth headphone.2) High capacity lion battery,200% longer talk time than normal bluetooth headsets.3) Bluetooth v2.0,compatibale with any bluetooth enabled mobile phones.4) Elegant, stylish, functional, comfortable, discrete, miniature, and super lightweight.5) Wear it with or without the flexible earhook; wear it for a long period, or wear it with the included lanyard for convenience.6) Total mobility!7) Superior, cutting-edge sound quality!8) High performance Lithium battery, long talk & standby time.9) Automatically searchable, the latest Bluetooth technology.10) BQB certified. 11) Operaing distance:up to 10 meters.12) Pack:plastic case.
Specifications 1. Bluetooth Version: V2.1 EDR 2.Type: Stereo headphone with internal mic 3. Operation Distance: 10 m bluetooth stereo headphone balck color , wireless blue headphone for presonal at home & school. 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 200 hoursMusic Playing Time7 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, 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 e
Brand Name: LD Model Number: S69-0301 Style: Headband Communication: Wireless Connectors: USB Use: laptop,PC,Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Bluetooth Version: V2.0+EDR Class II Operating Distance: 10metres(390"inches) Supported Profiles: Headset, Handsfree, A2DP and AVRCP Profiles Frequency: 2.402-2.480GHZ GFSK light weight: 126*70*40mm,42g Packaging & Delivery Packaging Detail: standard export package Delivery Detail: prompt shipment for trial order Specifications 1.original Factory Price. 2.your music everywhere. 3.Simple design. 4.Bluetooth headphone with smart sound mini foldable Bluedi brand Wifi bluetooth headphone stereo headphone with A/C charger and USB Just for your stylish package
Specifications bluetooth headphones 1,For iPhone,ipad,PC,PDA... 2,Foldable/compact 3,Standby:300hrs 4,2013 new bluetooth headsets bluetooth headphones , New Sport wireless bluetooth headphone, foldable bluetooth stereo headset Sport wireless bluetooth headphone 1,For iPhone,ipad,Tablet PC, PDA... and any devices with bluetooth function2,Foldable and compact 3,Standby:up to 300 hrs Features: *Bluetooth version 2.1+EDR, Class II*Bluetooth Profiles: HSP, HFP, A2DP and AVRCP*Demension:151*75*156mm*Talk time&music playing time: up to 12 hrs*Standby time: up to 300 hrs*Charging time:less than 3 hrs*Battery capacity: 120 mAh*Operation distance:10 meters*Chipset:CSR*Weight:106g*Frequency Response is 22-18000 Hz Packing info.: *Pcs/Ctn:20pcs/ctn*Ctn size:44*38*38cm*GW/NW:7.5kg/6.5kg*Q'ty/20':440 ctns; Q'ty/40': 940 ctns Accessories: Charger: 1pcUser
Brand Name: transway Model Number: CGSB845B Style: Headband Communication: Wireless Connectors: Other Use: Sports + Leisure Function: Bluetooth,Waterproof Place of Origin: China (Mainland) Color: Blue, Red, Green, Pink Specifications Bluetooth flexible headset Comfortable for Sports Noise Reduction Ear Plugs Water Resistant fashionable design stereo bluetooth headphone Description: Bluetooth flexible headset for sports and leisure. Flexible water resistant Bluetooth headset for sports or leisure. Who says Bluetooth headsets arent comfortable? This unique Bluetooth headset not only looks great, but its so comfortable youll forget you are wearing it! By doing a simple pairing with your Bluetooth capable cell phone, smart phone or PDA, you will be ready for an active day ahead and have easy access to all your calls. In addition, you can also easily pair it with a Bluetooth capable laptop/notebook computer, so feel free to wear it to talk on Skype all nig
Brand Name: OEM Model Number: M9A Style: In-Ear Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Warranty: 1 year Talking Time: 6 Hours Transimission Distance: 10M Bluetooth Version: V2.1+EDR Packaging & Delivery Packaging Detail: Paper box with inner Blister Delivery Detail: 5~10days Specifications Wireless Stereo Bluetooth Headset Clip Model,superior Clear Voice Support HSP/HFP/A2DP CE,ROHS,FCC,UL and BQB Bluetooth Stereo Headset V79A Feartures: CE,ROHS,FCC,UL and BQB approvalExtremely good quality,superior clear voiceElegant and Fashion designStereo Bluetooth Headset,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 SilverBluetooth Hansdfree,compatible with most Bluetooth Devices such as Mobile Phone,computer and PADAutomatic cennecting fu
Specifications bluetooth headset/headphone. with microphone. No wire,no software,no setup, it is easy and fast. High SNR Bluetooth audio. Bluetooth headset (headphone) 1:Bluetooth 2.1 wireless transmission protocol
Brand Name: Hicbest Model Number: HY13041102 Style: Headband Communication: Wireless,Bluetooth Connectors: 3.5mm Use: All phones,pads and computers Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Name:: wireless headphone for bluetooth headphone Color: Red Technology: Bluetooth V3.0-EDR Type: Sensitivity microphone Effective Range: 30Ft Talk Time: 11hours Music Time: 10hours Charge Time: 3hours Packaging & Delivery Packaging Detail: Item size: 145*100*30mm Item weight: 162g Package size: 230*172*42mm 20PCS/Carton Carton size: 46*41*18.5cm Net weight: 3.24Kg Gross weight: 4.0Kg Delivery Detail: 3~5days after payment Specifications wireless headphone for bluetooth headphone 1.bluetooth headphone 2.earmuff bluetooth headphone 3.factory price wireless headphone for bluetooth headphone 1.Bluetooth stereo headset lets you listen to music or phone calls wirelessly2.High-quality speakers deliver crisp,rich sound3.Accept incoming calls or toggl
Specifications bluetooth headset WEP200 bluetooth headset WEP200 Description: WEP200 is the smallest (40mm) and lightest (9g) Bluetooth headset now! Stores and charges simultaneously by using a small black charging case. Suitable for almost Bluetooth enabled devices. Products specifictaions:1. StandardBluetooth 1.2 specification2. Range Up to 30 feet (10 metres)3. Audio code Single Audio4. Frequency2.4Ghz Ism Band5. Bluetooth profiles supportedhandsfree 6.0 and headset 1.17. Transmitter Power Class 28. Connection Point to point9. Weight 9 grams10. Talk time4 to 6 hours11. Standby time180 hours12. Power consumption30mah(working) 1mah(standby)13. Charging time2 to 3 hoursPacking info:1pc Bluetooth headset , 1pc travel adaptor, 1pccharging case, 1pc ser manualUnit Weight: N.W: 9g G.W: 146g
Specifications MP3 neckband headphone 1.FM radio and Campus Radio 2. Bluetooth support 3. 16G SD card 4. Hi-Fi sound 2013 mp3 player wireless bluetooth headphones for laptop Features :Specifications :1st: Hi-fi Bluetooth Card Read Headphone♥ Play high quality MP3 from TF cards 2nd:Lyrics Synchronous Display♥ Hi-Fi sound3rd:Beautiful packing and headphone♥ Rechargeable lithium battery inside4th:OLED Display Screen♥ Folding headphone5th:Support 16GB TF Play♥ Blue backlight with LCD track informationNewest Bluetooth Card Read Headset:♥ Line in & out functionModelMJ-368♥ Memory functionColorBlack,Grey,Blue,Pink♥Bluetooth V3.0+EDR, High Data Rate TransmittingStyleBluetooth MP3 Headphones♥To Support Campus RadioN.W12.9 KGS♥FM radio funciton G.W14 KGS♥ 8 Sounds Available,To Cater Different Music DemandCTN. Size61.5x43.5x35.5cm♥ Wearing ComfortablePacking60 pcs /C
Brand Name: Avantree Model Number: BTHS-849-BLK Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Specifications 1. high quality for music and calls 2. 18 hours music time 3. Wired option for low battery use 4. comfortable wearing Avantree Hive is a Bluetooth stereo headphone with MIC from the Avantree family. It delivers clear voice transmission for phone calls and high quality sound for music. And with 3.5mm audio jack, it provides corded option for non Bluetooth-enabled phones, MP3 players, etc. The Avantree Hive is stylish and comfortable for all-day comfortable use. * Bluetooth stereo headohone with mic* Enjoy wireless music and answer phones calls in crystal clear stereo sound.* Corded option for non Bluetooth-enabled phones, MP3 etc.* Long working time - up to 18 hours music / talk time.* Auto-connection, easy to use.* Comfortable wearing and secure ca
Brand Name: www.focal-deal.com Model Number: F-BH-051 Style: In-Ear Communication: Wireless Place of Origin: Guangdong China (Mainland) Warranty: 1 year Payment Methods: Western Union,Moneygram,Paypal,Escrow Packaging & Delivery Packaging Detail: Retail Package Delivery Detail: In 1-3 workdays Specifications 1.Fashion Design 2.Fast Delivery 3.Tested before Shipping 4.Factory Price,no MOQ 5.Nice Sale Service High Quality Fashion Style Mini Portable Bluetooth Headset Headphone Specifications Compatible withUniversalTypeBluetooth HeadsetsPart TypeDIY ToolsFeaturesOtherColorBlack, Purple, Assorted ColorsDimensions (cm)2.7×2.5×1.5Weight (kg)0.006
Specifications Stereo headphone mp3 player fm radio bluetooth headset 3 in 1, Bluetooth headset, MP3 player, FM radio Specifications 1.Bluetooth headset for mobile phone
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 Supper mini Stereo bluetooth headset for mobile phone Best quality,Best price,Best service OEM/ODM Specification:1.Innovation earbud design , concise ,fashion ,comfortable 2.Compact size for easy carrying 3.Stereo great sound quality and good response4.Automatic connecting function , multipoint connection 2013 newest V3.0 stereo bluetooth headset for smart phoneFeatures:1 .Ultra Slim and Ultra Smart Design. it is look 3mm thin.2. Innovation earbud design, Pick it to wear and talk directly, save the hook.3. Support A2DP output, enjoy music from Smart phone or MID.4.Multipoint connection, Keep 2 devices linking at same while.5.Echo cancellation and wind noise Reduction, Keep talk clearly anytime.6.Long time Standby time, 60mha Li-polymer battery.7.Adjust voice, Extra plus the key to control volume.8.Easy Charging, Universal Micro usb 5pin for charger adapter Product spec: Model Number:CoteBH006Support profile:Headset, Hands-stereo Support
Brand Name: Midte Model Number: Q900 Style: In-Ear Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) OEM: yes LOGO: customerized Price: factory price Color: customerized Sample: Available 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
Specifications built in Stereo MP3 player Bulit-in FM,MIC Support MP3 Micro SD card Built-in rechargeable battery Micro SD FM Mic Stereo MP3 headset bluetoothSpecification of bluetooth:Operation distance:10m.Range of frequency:2.4-2.4835GHz ISM bandSensitivity:-85dbSpecification of MP3/FMPC interface USB 2.0Music format:MP3/WMATF card support:128M-32GBFM frequency response:87.5-108MHZRechargeable lithium battery:350mAhSpecification of headphoneType:stereo headphone with MicSpeaker:OD 40mmSensitivity:115db S.P.L. at 1KHZImpedence:32 ohmFrequency response:20HZ-20KHZRated power:40mwPower capacity:100mwMicphone Unit:4.5mmx2Line in Plug type:OD 3.5mm stereo audioFeatures:Allow you to enjoy digital quality music wirelessly and connect between music and phone calling freely.Support TF cardSupport FM high quality stereo audioSupport bluetooth stereo devices to receive A2DP stereo music from laptop,computer,tablet PC,Iphone,blackberry, MP3 player or any other device that supports bluetooth ste
Specifications Specifications 1. High-grade headphone with great timbre and quality 2. High-class and fashionable design 3. Graceful timbr Specifications1. High-grade headphone with great timbre and quality 2. High-class and fashionable design 3. Graceful timbre, enjoying musicHigh-grade headphone with great timbre and quality Feature: New designFoldaway headphone could be convenient to your take in any place.Stylish design and good quality Specification: Drive Unit: 40mmFrequency range: 20-20KHzImpedance: 16ΩSensitivity: 108±3dBRated Power: 10mWMaximum power: 30mWLink line:
Brand Name: C&D Model Number: CDB-007 Style: In-Ear Communication: Wireless Connectors: Other Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Product name:: Bluetooth headset Talk time:: 5 hours Standby time:: 120 hours Bluetooth Version:: CSR 4.0 Color :: Apple white and blak Support :: HFP/HSP/A2DP/AVRCP Voice prompt:: MMI; iPhone battery indication Charging time:: 2 hours Range up to:: 10 meters Dimenstion:: 52x17.77x6.35mm Packaging & Delivery Packaging Detail: Gift Box:with 1pc Bluetooth Headset, 1pc USB cable and 1pc box package Delivery Detail: 30 days Specifications 1. *Bluetooth Version CSR 4.0; Supper thin design 2. *Apple white and black perfectly fit for Iphone and Samsung BluetoothStereo HeadsetItem Nr.: CDB-007 CSR BC8610 chipset*Bluetooth Version 4.0*Support HFP, HSP, A2DP profiles*Multipoint A2DP connection*Multipoint HFP connection*Voice prompt for MMI*Support iPhone battery indication*Standby time: 120 Hours*Talk time: 5-6 Hours*
Brand Name: OEM Model Number: C01484 Style: Headband Communication: Wireless Connectors: Other Use: Portable Media Player Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Charger specifications: DC5.0V 300mA Listen time: â¥16 hours Packaging & Delivery Packaging Detail: Paper Packaging Delivery Detail: 3-7days Specifications Wireless Bluetooth Headphone 1.Transmitting Power: Class 2 2.Frequency Range: 2.4026 GHz-2.480 GHz 3.Color: Black HOT! SX-907 Wireless Bluetooth Headphone (C01484) Features:1.Wirelessly transmitted stereo music via Bluetooth Adapter.(acoustics devices like for iPOD,for PSP, MP3,Hi-Fi).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 time4.Bluetooth headset designed with 2 purchase of hi-precision speaker,superior sound, powerful bass systemSp
Brand Name: ATI / OEM / ODM Model Number: SH36 Style: In-Ear Communication: Wireless Connectors: 2.5mm Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling,Bluetoth Headset Place of Origin: Guangdong China (Mainland) Operation range:: Up to 10 meters Bluetooth version:: V2.1+EDR Talk time:: Up to 3.5 hours Packaging & Delivery Packaging Detail: white box Delivery Detail: 10 - 20days Specifications waterproof bluetooth headphones range: Up to 10 meters Bluetooth version: V2.1+EDR Headset and Hands-free , A2DP, AVRCP waterproof bluetooth headphonesOperation range: Up to 10 metersBluetooth version: V2.1+EDRHeadset and Hands-free , A2DP, AVRCP. 1Operation range: Up to 10 meters Bluetooth version: V2.0 Talk time: Up to 3 hours Standby time: Up to 100 hours Charging time: 1-2 hours Battery type: Rechargeable Poly- Li battery size:36.5mm*16mm*9.6mm, weight:6.6g &nb
Specifications Newest bluetooth headphones wireless 1.stereo bluetooth Headset 2.Tramission distance: Max.20M 3.Sound-Proofing 4.Good servi Newest Stereo Bluetooth Headset1.stereo bluetooth Headset2.Tramission distance: Max.20M3.Sound-Proofing4.Good service DT120s Bluetooth Headset Technical parameter and specification:
Specifications stereo Bluetooth headphone for mobile phone 1)wireless stereo 2)Bluetooth range: 10meters 3)OEM Chip & Version: ISSC (v.2.1 + EDR)Profile:HSP & HFPFrequency range: 2.4GHz-2.48GHz* Transmission distance: Up to 10M (33ft)Operating voltage: 3.6VOperating current: ≤35mAStandby current: ≤2mACharging time: 2 to 3 hours* Talking time: Up to 8 hours* Standby time: Up to 200 hours Festures:Microphone Earphone:1.Great sound quality and bass response2.Hands-free headset for Compatible with iphone and ipod3.Cord mounted ON/OFF button which lets you take calls and hang up easily4.Standard 3.5mm earphone plug fits all MP3 players with 3.5mm jackStylish design USE for iPhone ,Compatible with any kind 3.5mm Pin Plug Sound source output With MicrophoneBluetooth:1.low power comsumption2.Receive/hang up/reject a call,voice dialing,tail number redial function!3.It can connect with two devices with bluetooth function simultaneously4.use advanced digital signal proce
Specifications 1.china bluetooth headset price Version2.1+EDR 2.receive/hang off call ,redail. 3.super heavy bass sound 4.FM radio receiver China mainland produced bluetooth headphone with best price 1)Description1.china bluetooth headset price Version2.1+EDR2.receive/hang off call ,redail.3.super heavy bass sound4.FM radio receiver Speaker (drive units):40mm diameter HiFi Stereo white magnet , clear sound and heavey bass sound effect Frequency response: 20Hz-20,000Hz , Lightweight for maximum comfort . Impedance : 32Ω±2Ω (or can be customized to 300 Ω ) Sensitivity:105dB±5dB Plug :double 3.5mm standard jack ,one for mic and other one for audio Cord Line (Cable line) :detachable 1.0 meter long round cableFetures : comfort Durable urethane leather construction for long wear 2)main functions : Bluetooth 2.1 +EDR , can connect your mobile phone or laptop , listen music from your
Brand Name: Ebaysz Model Number: LF-0427 Style: Headband Communication: Wireless Connectors: Other Use: Mobile Phone Function: Bluetooth Place of Origin: China (Mainland) Color: Black Suitable: For Sony Play Station 3 Lead Time: 2-7 Days Shipping Ways: EMS,UPS,DHL,CHINA POST AIR MAIL,HONGKONG POST AIR MAIL Payment: T/T Western Union Weight: 0.13KG Size: 19*13.1*4CM Compatible: LF-0427 Specifications 1 Bluetooth Headset 2 For Sony Play Station 3 3 EX-01 Black Headband EX-01 Black Headband Bluetooth Headset For Sony Play Station 3 LF-0427 Feature:Brand new and high quality.Designed especially for PS3 gaming.Volume control + and –buttons.Built-in rechargeable lithium-ion battery.Version: 2.1.Distance: Up to 10M.Frequency: 2.4-2.48G.Talking T
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 * bluetooth headset * bluetooth headset with BQB patent certification * bluetooth headset with fm radio,mp3 function bluetooth headset BH-10 Bluetooth headset Technical SpecificationsColorsBlack/White/pink/yellow/purple/green/blue/ red/orange order quantity more than 1000 set can choose more colourCapacityExternal TF card slot for memory 1GB,2GB,4GB,8GB,16GB,32GBSize and Weightunfold specificationLength:150 mm,Width: 140.mmDepth: 55 mm,Weight: 46 gfolded specificationLength:115 mm,Width:75 mmDepth:50 mm,Weight:46 gSpeakerSpeaker size:27mm *2 Power:2W4Ω impedance: 32Ω±15% Resonance 220Hz±20%HZ Sound Pressure: 130±3 dB at Distortion: 5%less Pure tone Sine wave: 0.8V Effective Frequency Band: Fo~20KHzInput and outputInput when power on ,output when power off USB2.0 High Spee
Specifications Fashion Wireless Stereo Earmuff Bluetooth Headphone With Microphone BH18 1.Bluetooth version:V2.1,Class II Fashion Wireless Stereo Earmuff Bluetooth Headphone With Microphone BH18 ModelFashion Wireless Stereo Earmuff Bluetooth Headphone With Microphone BH18 ColorBlack+Silver/Black+RedBluetooth versionV2.1,Class IISupportHeadset,Headsfree,A2DP,AVRCPFrequency Band2.4GHz to 2.4835GHz,ISM BandPower Supply5V DC,100 to 240V AC adapterStandby time1200HoursTalk time54HoursUsedFor Tablet/Mobile phoneOEMWelcome
Specifications 1.bluetooth headphones with speakers; 2.foldable&portable design; 3.3 in1 design; 4.PRV/NEXT/Play/Pause/Answer/Stop Calls; Unique Product Features:bluetooth headphones bluetooth headphones bluetooth headphones 1. bluetooth headphones with speakers; 2. foldable & portable design; 3. multifuncti