Brand Name: XuFeng Model Number: KNN-Q85 Style: Ear Hook Communication: Wireless Connectors: 2.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: China (Mainland) product name: Mini Portable Bluetooth Earphone color: black battery: Built-in Rechargeable battery certificates: CE. FCC. ROHS Packaging & Delivery Packaging Detail: Gift box /1 pc Ctn size:45.5*34*35cm G.W: 11.5kg Delivery Detail: 7-10 days after receive the orders Specifications Small, fashionable, and carrying and keeping convenience Mini Portable Bluetooth Earphone Certificates:CE. FCC. ROHS Q8 bluetooth headphone feature :1.fashionable looking is well received by customers 2.small size and light weight make you to convenient to use 3.high interference ability let you enjoy the music 4.special design can connet two portable player at the same time 5.this bluetooth earphon hook also support voice broadcasting Mono Bluetooth Headset
Brand Name: xlx Model Number: bluetooth 5800 Style: Headband Communication: Wireless Connectors: USB Use: listenning music out door Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) color: black support: bluetooth MP3/FM Battery: Lithium battery playing time: 6-8 hours when fully charged CERTIFICATE: CE,FCC,ROHS Products Status: Stock Packaging & Delivery Packaging Detail: export package Delivery Detail: we will delivery 3-7 days after ur advance payment Specifications hot selling headphone -5800 support bluetooth MP3/FM 1.Stereo sound 2.Foldable design 3.high quality 4.Competitive price hot selling headphone -bluetooth 5800 support bluetooth MP3/FM SUPPORT BLUETOOTH1.Stereo sound2.Foldable design3.high quality4.Competitive price5.CE,FCC,ROHS CERTIFICATE Product Features:1. Excellent sound quality2. Good for listening MP3/Nusic,watch DVD/movie,online chatting and game playing3. Newest and best selling headband headphone4. Headband i
Brand Name: DAZA Model Number: R-109 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Portable Media Player,MP3, mobile phone, CD, computer Function: Bluetooth,Noise Cancelling Place of Origin: Guangxi China (Mainland) Color: Can OEM FM radio: YES TF card: YES Packaging & Delivery Packaging Detail: Giftbox Package and Blister package Delivery Detail: About 20 days, Depend on order quantity Specifications .Professional wi-Fi Stereo Headphone, . Noise Reduction Stereo Headphone, .Support TF card and Line in,Built-in FM radio OEM bluetooth headphones unique designR-109 with TF card,fm radio Features: 1, Support music from MicroSD TF card(upto 32GB);
Brand Name: SUNWE Model Number: SW-9005 Style: Headband Communication: Wired Connectors: 3.5mm Use: Computer Place of Origin: Guangdong China (Mainland) Logo: Customize Color: Any color available Certificates: CE/RoHs/FCC/UL Package: Blister box or color box Function: Multimedia, computer,dj Plug type: 3.5mm Wire Length: 2.0M Output: 100MW Frequency Response: 20Hz-20K Hz Sensitivity: 105dB±3dB S.P.L at 1kHz Packaging & Delivery Packaging Detail: Blister and color box packing or OEM Package. Delivery Detail: 15-25days Specifications computer headphones Fashion design & low price Good sound effect, comfortable wear OEM brand Certificates:CE,UL,RoHs high quality headphones Features Noise cancelling microphone Microphone rest position Adjustable headband High power stereo headphones for prolonged use single sided cable Closed-back ear capsules to reduce background interference Robust microphone with high speech in
Brand Name: AROCCOM Model Number: ELF-BH02 Style: Ear Hook Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: 1. Neutral Packing 2. OEM Packing Delivery Detail: About 20 days after sample approval Specifications 1.Convenience ,beauty and fashion design, easy to carry 2.CSR V2.1+EDR Bluetooth chipset, Lithium polymer battery Application Range: Smart phones, tablets with call function Highlights:Compact, portable and fashionable design, easy to carryA Bluetooth headset supports 2 mobile phones at the same time , the housing of headset is plastic with rubber painting CSR V2.1+EDR Bluetooth chipset, Lithium polymer battery High sensitivity, low power consumption, high speed, suitable for smart phones, and tablets with call function. ItemsProduct parameterBluetooth version:2.1+EDRBluetooth&n
Brand Name: ebaysz Model Number: LF-0674 Style: Headband Communication: Wireless Connectors: 6.3mm Use: Portable Media Player Function: Bluetooth Place of Origin: GUA,china (guangdong ) China (Mainland) Net Weight: 0.4kg brand name: ebaysz brand number: LF-0674 price: reasonable price Specifications 1 Collapsible Bluetooth Headphone 2 Stereo Earphone For Nokia 3.fashionable and good quality product description1,If the quantity I get is less than the quantity I order,what will you do?We strongly request every customer open the package check the quantity before sign the delivery.If find the quantity is less than ordered,please refuse to confirm the delivery.We are not responsible for such claim if customer don't open the box check quantity before sign the delivery. 2,How to choose color?If the color you want is not listed,please leave message below the transaction about the color you want,we ship according to the message,if no message left and no color is chosen,we ship random
Brand Name: Grandsonic Model Number: GR-SP-002 Style: Ear Hook Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Type: Multimedia computer headphone FM function: Yes Support USB: Yes MP3 player: Yes External audio function: Yes SNR: â¥92 db Support TF card capacity: 128MB-8GB Packaging & Delivery Packaging Detail: 100pcs/carton,Color Box. Delivery Detail: 10-15 days Specifications 1.Headphones Bluetooth 2.MP3 player 3.FM function 4.SNR >92 db 5.Support TF card MP3 Headphones Bluetooth FM Model:GR-SP-002 1.Multimedia computer headphone 2.MP3 player 3.Hi-Fi sound 4.FM function 5.Portable USB drive 6.External audio function 7.PC connection function 8.Ultra flexible folding design 9.your hands to enjoy your work 10.Ear hook style
Brand Name: Gblue Model Number: GD508 Style: Neckband,Stereo Communication: Wireless Connectors: 2.0 Use: Mobile Phone Function: Bluetooth,Headphone Place of Origin: Guangdong China (Mainland) Usage: Mobile,Latop,PC Signal Frequency: 2.4-2.48Ghz Bluetooth headset: ISSC Talk time: up to 15 hours Standby time:: up to 350hrs Color: Black Packaging & Delivery Packaging Detail: 1*Bluetooth headset 1*Charger 1*Product manual Delivery Detail: 5-7 WORKING DAYS Specifications GD508 Brand New Stereo Bluetooth headphones 1.Elegant Fashion Design. 2.High Acoustic Fidelity. 3.CE,FCC,ROHS Bluetooth Headset Product Features: ·Bluetooth headset: ISSC ·Bluetooth standard: V2.1+EDR, Class II ·Signal Frequency: 2.4-2.48Ghz ·Weight: 60g ·Function: Headphone ·Working range: 10M ·Talk time: ≥15 hrs ·Standby time: ≥ 350hrs ·Charging time: less than 4 hrs&
Brand Name: Masentek Model Number: m19 Place of Origin: Guangdong China (Mainland) Bluetooth version: V3.0+EDR Color: Black Usage: Phone Function: Free communication Packaging & Delivery Packaging Detail: Gift box packing Delivery Detail: 5-7days after payment confirmed Specifications bluetooth headphone for phone GPS 1.Digital noise reduction 2.Support multi point 3.Audio playing 4.Connect two mobile phone Bluetooth headphone for Iphone GPS Feature: 1. Digital noise reduction, free communication Based on CVC4.0 technology of DSP, echo and noise reduction function ensuring a free communication. 2. Audio playing The bluetooth headphone support music application, such as music playing, podcast, GPS voice broadcast. 3. Quick Pair When the bluetooth headphone in pair mode, it can serach bluetooth device automatically. 4. Multi-point Supporting multi-point, and allowing one bluet
Brand Name: Esino Model Number: ES-SP-A005 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Name: wireless headphones bluetooth Talk Time: Up to 6 hours Available Color: red,blue,pink,black,green Packaging & Delivery Packaging Detail: Gift Box Delivery Detail: 7 to 28 days Specifications wireless headphones bluetooth, stylish bluetooth headphone 1.Bluetooth specification: V2.1+EDR 2.Bluetooth profiles supported wireless headphones bluetooth, stylish bluetooth headphone, bluetooth sport headphone Specification:1.Bluetooth specification: V2.1+EDR2.Bluetooth profiles supported: HSP, HFP, A2DP and AVRCP3.Operating distance: 10 meters Class II4.Rechargeable 380 mAH Li-polymer battery5.Talk time: Up to 10 hours6.Music&nbs
Brand Name: Bolin Model Number: BL-2013 Style: Headband Communication: Wireless Connectors: wireless Use: Computer Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Zhejiang China (Mainland) Usage: Computer and moble phone Certificate: ISO9001:2008 Service: OEM M.O.Q: 2 PCS Delivery time: 7 work days Color: black and white Guarantee: 1 year Packaging & Delivery Packaging Detail: Carton 40pcs/ctn Carton size: 46*46*38cm Gross Weight: 11.5KG Delivery Detail: 20 work day Specifications high quality bluetooth headphone 1)good quality and competitive price 2)wireless 3)OEM WIRELESS bluetooth headphone Specification:1)good quality and competitive price2)wireless3)OEMBluetooth specification: V2.1+EDRBluetooth profiles: HSP, HFP, A2DP and AVRCPOperating distance: 10 meters Class IIRechargeable 150 mAH Li-polymer batteryTalk time: Up to 11 hoursMusic playing time: Up to 10 hoursStandby time: Up to 250 hoursCharging time: About 2 hoursCharge input voltage: DC 5Vbluetooth headphon
Brand Name: BBQ Model Number: S5800 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Portable Media Player Function: Microphone Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: gift box Delivery Detail: 10days after confirned all the things Specifications 1.1.foldable studio audio TF memory card headphones 3.good quality low price&welcome OEM foldable studio audio TF memory card /U disk /FM radio headphones with FM radio ,bluetooth headphone Description 1.foldable studio audio TF memory card headphones with FM radio2.USB charge cable & audio cable3.good quality and factory low price4.OEM service Functions:1.Support TF card2.Support audio forms of MP3, WAV, WMA.3.built-in rechargeable lithium battery4.foldable portable5.FM radio6.Forward and backward functions7.include usb adapter and audio cable packing : Specifications:Frequency response :20 - 20KHZ CD s
Brand Name: RB Model Number: RB-BT106 Style: In-Ear Communication: Wireless Use: Portable Media Player Place of Origin: Guangdong China (Mainland) type: in-ear color: black Packaging & Delivery Packaging Detail: bag,we can package by your request,but different package have different price Delivery Detail: 25-30 days Specifications Bluetooth MP3 Headphones, 12m Effective Distance, with Microphone, 2.1 Version 2.OEM design 3.MOQ:1000pcs Specifications 1.Good quality and competitive price. 2.OEM and ODM are available. 3.We can make changes according your request. Why you should choose us? 1. Reply < 12 hours 2. Delivery time > 95% 3.Quality Control > 100% 4.After-sales Service > 100% 5.OEM >5 years experience 6.Provide more than 2000 kinds of item with mold best Bluetooth headphones picture show: Item namebest bluetooth headphones
Brand Name: (FLYING)OEM Model Number: RF-004 Style: Headband Communication: Wireless Connectors: USB Use: Computer Function: Bluetooth,Noise Cancelling,bluetooth Place of Origin: Guangdong China (Mainland) COLOR: red,blue,yellow,etc shape: fashionable Packaging & Delivery Packaging Detail: ppbag color box Delivery Detail: 10-15days Specifications Bluetooth V2.1 + EDR version A2DP support AVRCP wearing type use time: 18 hours, playing music time: 18 hours Bluetooth V2.1 + EDR version A2DP support AVRCP wearing type use time: 18 hours, playing music time: 18 hours, standby time: 200 hours, support for bluetooth stereo equipmentBluetooth V2.1 + EDR version A2DP support AVRCP wearing type use time: 18 hours, playing music time: 18 hours, standby time: 2
Brand Name: CHAFF Model Number: METALLICA07 Style: In-Ear Communication: Wired Connectors: 3.5mm Use: Portable Media Player,Mobile phone,MP3,MP4,Laptop, Function: Noise Cancelling Place of Origin: Guangdong China (Mainland) Compatible Brand: Apple Iphone,Ipod,Touch etc Logo: Customerized Frequence Response: 20Hz-20KHz Sensitivity: 1kHz110dB+/-3dB Plug: Jack Earbud: Silicon Speaker Unit: 40mm Impedence: 32ohms Cable Length: 100cm Packaging & Delivery Packaging Detail: 1.Bulk in shippable packaging. 2.As client's request. Delivery Detail: Within 3 weeks based on order quantity Specifications high quality bluetooth headphone for black 1.origin design 2.Hi-End sound quality 3.CE,FCC,RoHS passed 4.OEM highly welcome high quality bluetooth headphone for black Metallic in-ear silicon earphone for MP3,IPAD,IPOD,PHONES1).Speaker Unit: 9mm2).Impedance: 16ohms3).Sensitivity: 104dB+/-3dB4).Frequency Response: 20Hz-20KHz5).Wire: 110cm6).Plug: Silicon7).Function: stereo super-bass, wi
Brand Name: OEM Model Number: BS01 Place of Origin: Guangdong China (Mainland) color: black/red/blue/OEM size: 5.1cm x 4.2cm - 2.01inch x 1.65inch weight: 0.1kg Use of time: 2-5 hours, due to the volume Input: Input Bluetooth: V2.0 + EDR(A2DP) Use: Home Theatre,Portable Audio Player,Mobile Phone,Karaoke Player,Computer,Stage Special Feature: Wireless,Portable,Mini Channels: 2 (2.0) Packaging & Delivery Packaging Detail: color box Delivery Detail: 20-30 days Specifications best bluetooth headphones with microphone Compatible with all wireless Bluetooth device Built in Li-Ion Rechargeable Bat Bluetooth Speaker Product Description Amazing, small and lightweight but perfectly formed and an essential accessory for any owner of an iPhone,Phone or Bluetooth device or any&
Brand Name: QR Model Number: QR-C006 Function: Bluetooth,Waterproof,Noise Cancelling Style: Headband Communication: Wireless Connectors: 3.5mm Use: PC,Mobile Phone,laptop, and so on Material: ABS Package: Color box 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: 7-10 days after confirm the order Specifications 1.2013 Fashionable Wireless Stereo Audio Bluetooth Headphone 2.OEM/ODM welcome. 3.Best price and timely service 2013 Fashionable Wireless Stereo Audio Bluetooth Headphone,OEM/ODM welcome Specifications:Bluetooth Version: 2.1 + EDRWorking Distance : Up to 10 metersFrequency response : 20~20k(Hz)Frequency:
Brand Name: TSX Model Number: TSX-108 Style: Headband Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Color: red black white net weight: 8.7 kg gross weight: 20.7 kg carton size: 50*37*64 cm Packaging & Delivery Packaging Detail: middle package Delivery Detail: 15 days Specifications High light UV technology / pure stainless steel hardware / noise / wired and wireless earphone Inserted TF card playing music Support for MP3, WMA, WAV format, CD fidelity sound With FM function A wired headset with microphone, function, can be wired voice chat The bidirectional audio input and output With memory function Charging time:up to 2 hourPlaying music time:up to 6 hours PRODUCT SHOW
Brand Name: ACC4S Model Number: P-EARPHONE013 Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: pp bag or customized package Delivery Detail: 3~5 days after payment confirmed Specifications Wireless Bluetooth Earphone/Bluetooth headphones Various colors Low MOQ Best service and quality Fast delivery Wireless Bluetooth Earphone/Bluetooth Headphones P-EARPHONE013 Newest Stereo Wireless Bluetooth Earphone/Bluetooth headphonesHigh qualityFas deliveryBest service Mix colors are available Welcome OEM 1.specifications: Item ID:P-EARPHONE013 Compatible with: Mobile phone, computer,ectBluetooth Version: 2.1 + EDR Working Distance : Up to 10 meters Frequency response : 20~20k(Hz) Frequency: 2.4GHz Impedance:32Ω Battery: 3.7V 180mAh USB Input Voltage:5V Pla
Brand Name: Qanstar Model Number: BSH08 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Portable Media Player Function: Bluetooth,Microphone Place of Origin: China (Mainland) Specifications BSH08 - Bluetooth Headphone with Microphone - Wirelessly play/pause/skip music tracks and control volume with headset buttons- Answer calls with the built-in microphone- 3.5mm jack- Driver Diameter: Φ 40mm- Frequency Response: 20Hz-20kHz- Maximum Power Input: 40mW- Power Source: Built-in re-chargeable battery or via USB cable- Available Color: Blue, White
Brand Name: www.tvc-mall.com Model Number: BLUE-375 Style: In-Ear Communication: Wireless Connectors: Other Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) talk time: up to 10hours Quality: High Quality Condition: Brand New Packaging & Delivery Packaging Detail: Q'ty/Carton : 50 pcs Carton G.W : 9.000 kgs Carton Size: 45.0*36.0*30.0 cm Delivery Detail: 3-5days Specifications V3.0 MONO Wireless Bluetooth Headset high quality sound,voice prompt, multipoint connectivity,hands free, with earhook Rubberized V3.0 MONO Wireless Bluetooth Headset HeadphoneThis is a Bluetooth headset with voice prompts in 3 optical languages English, Chinese & Spanish. And with multipoint connectivity. It can be paired and connected to 2 mobiles phones at the same time. The Bluetooth headset allows you to make or receive handsfree calls in crystal clear quality.Brand new and latest V3.0 bluetooth headset Rubberized surface and gives you a good touch feeling S
Brand Name: OEM Model Number: JNP-H580BT Style: Headband Communication: Wireless Use: Computer and mobile phone Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: Blister packing Delivery Detail: 25 days after all packing confirmed Specifications 1.New design Bluetooth headphone 2. With CSR chipset 3. Four colores available 1.Product Size: 35*18*8cm; Product Weight: 95g 2. Smooth switch bwtween misci and call; 3. Support handsfree mould and advanced audio transmission mode; A2DP & AVRCP; 4.Support Bluetooth version: V2.1+EDR Clasic II; 5. Holding time: around 7 hours; 10m distance;
Style: In-Ear Communication: Wired Connectors: 3.5mm Use: Mobile Phone,iphone,ipad,mp3,mp4 Function: Waterproof,Noise Cancelling Place of Origin: China (Mainland) Color: black,white,purple Specifications Waterproof Earphone 1) 100% waterproof standard 2) Great sound above and below water 3) Compatible iphone,Sumsung smart ph Waterproof Earphone Features -100% waterproof standard;-Great sound above and below water-Waterproof up to 3meters/3 hours-Perfect for various water sports-Comfortable and stylish design-Standard 3.5mm audio pin Parameter -Speaker diameter: 10 mm-Impedance: 32 ohms-Sensitivity: 102 dB-FO: 250 Hz-Bandwidth: 20-20K Hz-Maximum power: 20 mW
Brand Name: iCellway Model Number: NFC-BT-02 Style: Neckband Communication: Wireless Connectors: bluetooth wireless Use: Portable Media Player Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) color: main body black, circle red Packaging & Delivery Packaging Detail: color box or customized Delivery Detail: 7-10 days Specifications 1)BC 8645 Bluetooth stereo headphone 2)Support APT-X 3)Perfect stereo sound 4)Fashional design Newest NFC TechnologyBC8645 Bluetooth Stereo Headphone CSR 8645 chipset Bluetooth headset with APTX
Brand Name: KEEPTOP Model Number: KT-E01 Style: Ear Hook Communication: Wired Connectors: 3.5mm Use: Mobile Phone Function: Noise Cancelling Place of Origin: Guangdong China (Mainland) color: red,pink, purple,yellow,orange,green Weight: 110g package: paper box certification: CE connector size: 3.5 Packaging & Delivery Packaging Detail: poly bag or customerized package Delivery Detail: 2-7days Specifications wifi bluetooth headphone 1. 100% QC Before delivery 2. High quality wifi bluetooth headphone 1.Compatible with iphone 4/ 4S/ 3GS/ IPAD 2/iPod2.With mic and volume button3.High quality & nice package4.OEM service: can with customer logo5. Plug of silver-plated, straight, stereo plug6.Color: black,white,purple,orange,pink,blue,green,red7. Paypal acceptable Payment: TT,Western Union,Paypal Shipping way: By air,DHL, UPS, FedEx,EMS Packing: As customers request
Brand Name: OEM Model Number: HM1800i Style: Ear Hook Communication: Wireless Connectors: 2.5mm Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Bluetooth range: 10meters Warranty: 1 year Music time: 5h Standby time: up to 120H Bluetooth version: V2.1+EDR Packaging Items per Carton: 100 Pieces/Carton Package Measurements: 12.4X11X4 cm Gross Weight: 13.0 kg Gross Weight per Unit: 0.13 kg Package Size per Unit: 10X8X4 cm Package Type: Colorful Paper box with inner Blister Contents: 2-pin charger,English manual and clip; Box size:12.4*11*4cm qty/CTN:100pcs CTN
Brand Name: VBest Model Number: Headphone Place of Origin: Guangdong China (Mainland) support fomat: MP3/WMA support bit rate: MP3:3.8-kbs WMA:32-384kbs THD(total harmonic distortion ): <0.1% SNR(signal noise ratio ): >92db frequency respones: 20HZ-20KHZ speaker: 2*10mW support capacity: 128MB-8GB USB port: USB2.0 radio frequency: 2.4G-2.480GHZ telephone frequency response: 300HZ-3KHZ Packaging & Delivery Packaging Detail: 1pcs/color and 60pcs/box Delivery Detail: 7~10 working days Specifications MP3 bluetooth headphone 1pairing your MP3 bluetoothheadphone 2bluetoothheadphone call. MP3 bluetooth headphone Detailed Product Description1.Wireless bluetooth headphone headphones 2.FM function 3.Micro SD card reader function 4.MP3 automatically play 5.Foldable 2011 new wireless bluetooth headphone headphones Specifications: * Ear hook and folding MP3 bluetooth headphone * Multimedia Computer H
Brand Name: Vakind Model Number: 53878.04 Style: Headband Communication: Wireless Connectors: USB Use: Computer Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) S/N Ratio: 70dB Power: Built-in chargeable 200mAH lithium battery Frequency response: 20Hz-15KHz Packaging & Delivery Packaging Detail: 20pcs/carton Carton measurement: 37*22.8*41.5cm G.W:5.8kgs Delivery Detail: 3-5 working days Specifications 1)Modulation / demodulator way aaGFSK 2)S/N Ratio: > 70dB 3)Transmitting power aa 10 dBm Bluetooth headphones for computer 1)Frequency range : 2.4G-2.48GHz 2)Modulation / demodulator way :GFSK3)Transmitting power : 10 dBm4) Frequency response : 20Hz-15KHz 5) Separation > 70dB 6)Distortion: 1%7)S/N Ratio: > 70dB 8)Power : Built-in chargeable 200mAH lithium battery9)working : 4~5hours 10)20 meters