Specifications Bluetooth Headset for iPhone 4G (4-Hour Talk Time/100-Hour Standby) 1 Compatible with iPhone 4 2 Long standby 3 Long call Bluetooth Headset for iPhone 4G (4-Hour Talk Time/100-Hour Standby ) Main Feature:Compatible with iPhone 4 Long standby Long call Very Clear through the noiseSpecification: Bluetooth standard: V2.1, class 2 Supported profiles: Headset, Hands-free Built-in rechargeable Li-ion battery Operation range: Within 10 meters Talking time: up to 4 hours Standby time: up to 100 hours Charging time: up to 1.5 hours Package weight: 72g Package size: 18*9.5*4.1cmPackage: 1 x Bluetooth headset 1 x 110V~240V AC charger 1 x Chinese/English manual 1 x Ear cli
Model Number: J9 Style: Ear Hook Communication: Wireless Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: China (Mainland) Color: Black, White Transmission Distance: 10M Standby time: 100 H Talking time: 4 H Charging time (maximum):: 2-3 H Packaging & Delivery Packaging Detail: Blister / Retail box. Delivery Detail: 3-15days after deposit Specifications -10 meters wireless range -Small and light bluetooth headset -Automatic cennecting function Features: With a Bluetooth Mono Headset J9 you can: 1) Enjoy high-quality sound streamed from your compatible phone 2) Stay comfortably in style with over the ear design and an easygoing neckband 3) Control the music player and manage your calls with the media keys 4) Save time with fast charging Technical Information: Chip: ISSC (A2DP)Supporting edition:2.0Frequency range:2.4GHz-2.48GHzTransmission power:class2Transmission distance:10MOperat
Brand Name: Longood Model Number: BH-830 Style: Headband Communication: Wireless Connectors: 2.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) warranty: 12 months warranty Packaging & Delivery Packaging Detail: Good packing Delivery Detail: 1-2days Specifications 1. Bluetooth Stereo Headphone 2. Mix order is available 3. Cheap wholesale 4. Fast delivery 5. Paypal acceptted New Bluetooth Stereo Headset Headphone * Bluetooth V2.0+EDR* Up to 6.5 hours talk time and 120 hours standby time. * Fashionable and stylish design* Operating range up tp10 meter* Easy to use
Brand Name: XLJ Model Number: X1101 Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Color:: Red Packaging & Delivery Packaging Detail: Blister packing Delivery Detail: Within 2 days Specifications 1.bluetooth headphones sport 2.Buttons:Play/Pause,VOL +,VO -,Next/Prev,Call/Receive 3.Play/Talk time:up to 3hours 4.Color:Red Description:Brand new and high quality.Allow you answer the phone anytime and anywhereWireless connected and let you enjoy the moving fun of musicButtons: Play/Pause, VOL +, VO -, Next/Prev,Call/ReceiveBuilt in Microphone for Handsfree Cell Phone useSeamless switching between music and callsUniversal compatible with mobile phone, music player, PC, etc which support bluetooth V2.0 or abovePlay/Talk time:up to 3 hoursStandby time: 72 hoursWireless Range:Up to 33ftWorking frequency: 2.4-2.48GHzBuilt-in lithium battery (charged via USB)Suitable for sports activities Package incl
Specifications 1.Bluetooth stereo headphone 2.Competitive price 3.Wanderful sound quality Bluetooth Version :ISSC 3.0+EDRType:Stereo headphone with internal micOperation Distance:10mRange of Frequency: 2.4 to 2.4835GHz ISM band Sensitivity:85dB Music Format MP3 at WMAStandby time up to 160hours Music Playing Time 5 hours Normal Charging Time Within 3 hours Battery 3.7V 200mA Rechargeable Li-Polymer RF Output Power -6dBm to 4dBm Operating temperature -10’C to +55’CSupports Bluetooth Headset, Handsfree, A2DP and AVRCP Profiles Kingsun: China supply chain solution Whatever you need, youcould find the solution from kingsun Since its establishment in 1995, Shenzhen Kingsun Enterprises Co., Ltd has been expanding its business fields globally and continuously growing up towards another milestone. With 10 professional product developing engineers, Kingsunprovides OEM & ODM service to clients all over the world, optimize the
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
Specifications Hi-Fi Bluetooth Headphones,Bluetooth Headphones 1. CSR chip 2. connect 2 phones 1 time 3. play music 4. work with iphone Multifunction Hi-Fi Bluetooth Headphones,Bluetooth Headphones with Mp3
Specifications --Life like sound --Noise cancelling design studio wireless bluetooth headphone Headphone type:Studio wireless bluetooth headphoneAdjust method:touch sensitive buttonFunctions:bluetooth audio input, bluetooth handsfree, Mp3, LINE INPower supply:DC5V/0.5A(USB), Built-in lithium battery 150mAhRated power:2.2WS/N: >80dBS/N: <0.5%@(1KHz)Frequency respones: 90Hz-20kHz Audio connector: 3.5mmColor:black, white, red, bluePlaying time: 4 hoursWeight: 97gOther charact: match easily with ipone, ipad. Inside with microphone with clear call. Features:Bluetooth wireless headphoneThe built-in microphone and call-forwarding functionRemote control
Specifications bluetooth headphones/wireless earbuds 1.MOQ: 50 2.Good quality 3.Fast delivery 4.Good price Features: * Wireless appreciating music and answering calls and joy in HD stereo tone quality. * Adopting NdFeB to make bass, high pitch, stereo and dynamic sound more excellent and real natural music.* You can feel the comfort even in several hours due to the adjustable head band & super soft ear pad.* The super-large ear pad can isolate the external noises effectively and bring you more perfect music experience* Complete operation, you can put the cell pone into the pocket or bag, and directly adjust the volume, song skipping and switching between calls and music from the headset. Parameter: * Working distance:10M* Charge time:≤3.5Hours* Music time:≥18Hours* Talk time:≥18Hours* Standby time:≥200Hours* Frequency range:2.4026GHz-2.480GHz* Correspond With V2.1+EDR* Support:HSP,HFP,A2DP,AVRCP* Transmitting power:Class2* Weight:About
Specifications 1.bluetooth headset 2.wireless earphone 3.headset for all bluetooth device 4.black,white,red three colors. Photos About US: Our company was established in 2002, located in Guangzhou City, China. We are professional of designing, producing and selling video game accessories since 2002 for Nintendo 3DS, Wii, NDSi and ndsi xl; Sony PS3 move, PS3 slim and PSP go, PSP; Microsoft XBOX 360 kinect and xbox 360 slim... Also now we have a lot of new items for IPhone and IPad which are very popular in the market.. We are working with two factories, one is our own; another is our exclusive agent PEGA...We are growning up from 2 people to more than 60people staff now...We have one office and two shops in Guangzhou...Also we have two warehouse here too...So that we could send out goods in two or three days after we got payment...Our aim is to be a biggest global supplier for video game accessories and to be a smart and hap
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
Model Number: BH3034 Style: Headband Communication: Wireless Connectors: Wireless Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: China (Mainland) Color: Black,Red, White Transmission Distance: 10M Standby time: 325 H Talking time: 35 H Charging time (maximum):: 1-2 H Bluetooth Version: 3.0+EDR Use for: Mobile Phone, PC bluetooth device Packaging & Delivery Packaging Detail: Blister / Retail box. Delivery Detail: 3-15days after deposit Specifications 1.With HI-FI speakers, super bass. 2.with SD card slot. 3.Bluetooth Version3.0 Features: With a 8 t Bluetooth Stereo Headset you can: 1) Built-in two Bass speakers, 3D speaker combination, 2 Subwoofer speakers , enjoy your HI-FI music. 2) With Micro SD slot , enjoy music everywhere.3) Control the music player and manage your calls with the media keys 4) Save time with fast charging 5) with 3.5mm audio cable, to connect this bluetoot
Brand Name: Runda Model Number: BH-M9A Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Talking Time: 13hours color: black Packaging & Delivery Packaging Detail: Blister card or gift box Delivery Detail: 10-20days Specifications bluetooth headphones Function 1).Chipset:CSR BC6 V2.1 2).Support:Headset,Headfree,Noise-Canceling,Voice-Dial/Mute 3).Multi-point supported: 2 connections simultaneously 4).Broadcast Range:10M 5).Talking Time:13 hours 6).Stand-by time:220 hours
Specifications Wireless bluetooth headphone for iPhone 5 1.Wireless Stereo Headset V 2.1 2.In-Ear Speaker 3.Nice pack 4.Fast ship Wireless bluetooth headphone for iPhone 5 *Bluetooth standard: V2.1+EDR*Signal Frequency: 2.4-2.48Ghz*Transmission power: class2*Function: Headset/AVRCP/A2DP Profile*Working range: 10M*Talk time: ≥3 hrs*Standby time: ≥ 70 hrs*Charging time: less than 3 hrs*Battery: Rechargeable 60mAh Li-Polymer Battery*Charger Power: Input 100-240 V AC, Output: 5V DC
Style: In-Ear,In-ear Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Usage: Mobile Phone Specifications Bluetooth Headsets Bluetooth HeadsetsOffer Group:Offer Post Time:2008-05-13Expiration Date:2008-12-28Details:Bluetooth Earphone/ Bluetooth Headset/ Wireless Earphone(KD-BH008): Bluetooth version: V1.2 Operating Distance: 10 Metres Weight: 10 grams Range of Frequency: 2.4GHz Spectrum Dimension: 43mm X 23mm X13mm Talk time: 8 hours talk-time Standby time: 200 hours Nominal charging time: Within 3 hours Ear compatibility - Adjustable for both left and right ear. Rechargeable Li-ion ploymer battery.
Brand Name: OEM Model Number: JBM-01 bluetooth headset Style: Neckband,Bluetooth headphone Communication: Wireless Connectors: 3.5mm Use: Portable Media Player Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Color: Customized Certificate: CE, ROHS LED Light: with blue LED light Size: 180x98x40mm Weight: 30g Packing: Blister card shutdown voltage: 3.1 V Charging current: 80mA Track: stereo Packaging & Delivery Packaging Detail: 1pc/gift box Delivery Detail: 15days Specifications bluetooth headset 1.New bluetooth headphone 2.Stereo bluetooth headphone 3.Bluetooth music headphone 4.Wireless Headphone Bluetooth headset 1. wireless bluetooth headphones2. waterproof bluetooth headphones bluetooth headset Product details Version: Bluetooth2.1+EDRTrack:stereoSNR: >80dBDistortion degree:<0.1%Impedance:32ΩMicrophone Sensitivity:-54±2dBPower range: 10mBattery capacity: 130mAOperation current : 30mAStandby c
Specifications 1. Bluetooth Version: V2.1+EDR 2. Frequency range: 2.4GHz - 2.48GHz 3. Transmission power: Class 2 4. Talk time: 4 hrs H200 Super Mini Bluetooth Headset (Mono Channel) Black Introductions:The excellent cell phone headset allows you to make and receive calls while on the move or in the office conveniently. The headphone delivers high performance and remarkable sound for your cellphone. This cell phone earphone is lightweight and stylish, so that it can add more spices to your cell phone devices. The practical headset with super clear and hi-fi sound effects brings you the best listening experience. Just enjoy your music and calls with superb audio quality!Features:1. Small, lightweight and stylish2. Vibrant bass, vivid mid-range, and vivacious highs3. Experience less vibration and more of your music3. The discreet acoustic tube ear piece is comfortable to wear and allows the user to have clear sound transmission without amb
Specifications bluetooth headpone,bluetooth headset 1,innovation design 2,excellent quality 3,OEM/ODM 4,:iso:9001:2008,rohs.fcca icti,gsv stereo bluetooth headpone,bluetooth headset specification: headphones: headphone&headset , computer headphone,headset,audio headset,super bass headphone,fashion headphones packaging earphonest.beats earphones,wireless headphone. wired headphone MaterialABS G.W/N.W235g/114gImpedance32 ΩSensitivity89dB Frequency Response20Hz-2000HzMax. Input Power100mWCord Length2mPlug Type2.5mm Stereo features:1. High stereo sound quality headphones is2. Ideal for traveling:comfortable,sturdy,foldable and adjustable headband design with one-sided cable connection3. Headset for using withMP3 players and all other protable and stationary audio equipment with 3.5mm plug.4. non battery operated5. Provide different color according to the demand of customers6. RoHS and customers Logo availablepacking details: bl
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
Brand Name: mpc Model Number: ST-89 Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Charging mode: USB and travel Frequency: 2.4GHZ spectrum Standby Time: 180 hours Warranty: 1 year (1 to 1 replacement) Packaging & Delivery Packaging Detail: neutral packing ,Carton Dimensions: 49*36*45(cm) Delivery Detail: 3-5 workig days after received the payment Specifications V2.0 35Pcs/Carton Stereo Bluetooth Headset st-89 wholesale Bluetooth Version: V2.0 Charging mode: USB and travel V2.0 35Pcs/Carton Stereo Bluetooth Headset st-89 wholesaleBluetooth Version: V2.0 Charging mode: USB and travel Bluetooth Version: V2.0Bluetooth Profile Supported: Headset,Handsfree,A2DP and AVRCPChipset:CSRStereo Music with caller ID and Pairs with two Bluetooth mobile phones simultaneouslyOperation range Class2(10m)Feature: With Superior OLED to indicatethe incoming calls,volume,battery and pairing sta
Brand Name: bluetooth headset Model Number: coco pop phone Style: Headband Communication: Wired Connectors: 3.5mm Use: Aviation Function: Waterproof,Noise Cancelling Place of Origin: China (Mainland) Plugs type: 3.5 mm DC plug Cable length: 2.5m Function button: Volume control, answering/hanging up button, LED light Net Weight: Net Weight color: Blue/Red/purple/yellow/pink/green/orange/black/pearly white Material: ABS+Rubber paint coating Packaging: 260mm X 93mm X 75mm Gift box/Carton box/customized box Size: 215mm X 70mm X 60mm Certification: CE,ROHS,UL,FCC Packaging & Delivery Packaging Detail: Gift box/Carton box/Plastic box/color box/customized box. Delivery Detail: 3 to 5 days Specifications bluetooth headset 1.Anti-radiation coco phone 2.Cable length: 2.5m 3.Plugs: 3.5 mm DC plug 4.CE,FCC Anti-radiation receiver for iphone 3/4/4s/5, ipad, itouch, mac book, mobile phone, tablet pc and computer.coco pop phone : Anti-radiation coco phone
Brand Name: OEM Model Number: HDP-155 Style: Headband Communication: Wired Connectors: 3.5mm Use: Computer Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Color: Red,Green,Purple,Yellow,Blue,Orange,Pink Item: bluetooth headphone OEM: Accpet Package: Blister packing Gift box Polybag Sample: free Packaging & Delivery Packaging Detail: Blister packing Gift box Polybag Delivery Detail: 5-22 days Specifications fashion bluetooth headphone 1. Cool design deep bass headset 2. Enriched sound and reliable quality 3. Competitive price 2013 Fashionable Wireless Bluetooth Headphone Specification : Bluetooth version: Bluetooth V3.0+EDRSupports: HSP, HFP, A2DP and AVRCPKey: Volume up/down, Song last/next, MFB pair/pick/hang/recallEffective range: 10 metersWorking time: Music: Up to 10 hoursTalk: Up
Specifications Bluetooth Headset 1.Sterep 4.0 2.IOS9001 Approval factory 3.With nosie reduction 4.Raw ABS meterial 2013 Best Portable Powerful Bluetooth Headset Features 1. In-ear type with comfortable earplug, easy to use.2. Enjoy stereo music wirelessly from Bluetooth CSR devices.3. Embedded microphone for hands-free conversation from Bluetooth-enabled cell4. When receives an incoming call, the music will pause automatically.5. Easy controls for mute, call transfer, voice dial and call answer/end/reject.6. Support remote volume up and volume down.7. Automatically connect to the last connected Bluetooth device.8. Available to connect two console in the same time, and easy to exchange.9. Fashion design10. Extremely tough,durable,fashion and eco-friendly,without any special smell.11. The logo and name brand can be printed according to your requirement.12. Excellent after-sales service,welcome your own design. Packing details Packingblister box or customizedCarton Size
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
Specifications Hot sell Bluetooth Headset GZ-TB01 Bluetooth version: V2.1+EDR Chipset: CSR Work Frenquency:2.402GHz-2.480GHz ISM Band Hot sell Bluetooth Headset GZ-TB01 Stereo Bluetooth headset &n
Brand Name: OEM Model Number: BH23 Style: Headband Communication: Wireless Connectors: BLUETOOTH Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) color: red ,blue.black,white,pink,orange Use for: mobile phone ,laptop.tablet all devicewith bluetooth frequency response: 20-20,000Hz Speaker Impedance: 32ohm Support: handsfree for mobile phone Technology: Bluetooth V3.0+EDR Packaging & Delivery Packaging Detail: color box Delivery Detail: 3-5days Specifications 1.High quality bluetooth headphone 2.Bluetooth V3.0 +EDR 3.Can link to mobile phone ,laptop,tablet...all bluetooth devices Hot sell Bluetooth 2ch stereo audio Headset BH23 Feature : 1. Bluetooth stereo headset lets you listen to music or phone call wirelessly . 2. High-quality speakers deliver crisp,rich sound . 3. Accept incoming calls or toggle between tracks with the touch of
Brand Name: LINX Model Number: stereo bluetooth headphone LX-114 Style: Headband,overhead Communication: Wired Connectors: 3.5mm Use: Portable Media Player Function: Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Color: pantone color is acceptable mic: available volume control: available sample: in stock sample leadtime: 3-5days leadtime: 15-20days payment: 30% TT deposit ,70% balance before shipping usage: Computer,mp3/cellphone /pc headphone: stereo bluetooth headphone Packaging & Delivery Packaging Detail: stereo bluetooth headphone polybag ,gift box ,blister ,window box,crystal box Delivery Detail: 15-20days after deposit and production sample be confirmed. Specifications stereo bluetooth headphone 1.Direct OEM factory 2.Short leadtime 3.CE,ROHS,REACH stereo bluetooth headphone : Features: 1.Plastic material with any color earcap.2.Ideal as promotional item or gift.3.Fashionable colors are available.4.High sensitivity and clear sound quality.5.E
Brand Name: Neutral Model Number: BH501 Style: Ear Hook Communication: Wireless Use: Portable Media Player Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Color: Full color options More Functions: separate music;choose songs easily Specially Suitable: travel;sports Packaging & Delivery Packaging Detail: neutral color box Delivery Detail: 15-25days Specifications -Fashionable headset; -Waterproof design; -Excellent sound; -Extensible mark up Micro Sd(Max.to 32GB) Product Specifications: Bluetooth version:V2.1+EDR Class IIFrequency:2.4GHz-2.48GHzProfile supported:Headset and handsfree,A2DP and AVRCPChipset:CSROperation range:>10mTalking time: >10 HourMusic playing time:>7HourStand-by time: >200 HourWeight:104g
Specifications 1. Hot Sale bluetooth headphone 2. voice prompt 3. Latest NFC Function 4. Bluetooth New Version 4.0 5. CE,BQB,FCC,RoHS New Version 4.0 Hi-Fi Bluetooth Stereo headset BS042RU Main Features:1.Bluetooth New Version 4.02.Latest NFC Function3.Unique Fashion Design4.Aluminium Material5.Perfect Stereo Sound Quality6.Micro USB Solution7.Supports iPhone, iPad, skype, MSN8. wireless/wired 2 in one flexible multi bluetooth headphone Product Specifications Bluetooth Specification: V4.0 Bluetooth Profiles Supported: Headset, Handsfree, A2DP, AVRCP Operation Range: Up to 10 Meters Talk Time*: Up to 15 hours Music Playing Time*: Up to 15 hours Standby Time*: Up to 300 hours Dimensions(mm): L? x W? x H? Weight: About ?g
Specifications 1. High quality and competitive price; 2. Stereo Bluetooth Headphones for Cell phone 3. Long standby time 4. Noise cancellin K600i Stereo Bluetooth Headphones for Cell phone, CSR chipset, Dual microphone DACOM stereo bluetooth headset. CSR chipset, Dual-microphone noise fliter, perect sound quality.