Model Number: hh3005-H32 Style: Ear Hook Communication: Wireless Connectors: Other Function: Bluetooth,Noise Cancelling Place of Origin: China (Mainland) Packaging & Delivery Packaging Detail: color box Delivery Detail: 25day Specifications noise cancelling helmet headset 1.Bluetooth version: V3.0+EDR,Operation range: Up to 10 meters 2.Noise canceling headset Model no:HH3005-H32 Product Spec Operation range: Up to 10 metersBluetooth version: V2.1+EDR,Chipset: CSR Bc4Talk time: Up to 5 hours,Standby time: Up to 120 hours Weight About: 8 GramsDimensions(L x W x H): 44 x 19x 10.5 mm &n
Specifications Specifications 1.Bluetooth Headset with Microphone 2.Mini portable and easy to carry 3.with Bluetooth 2.0. 4.High Capac Cool in-ear bluetooth headset for PS3 with microphone This is the Bluetooth Earphone specially designed for PS3 according to its game characteristic, single earpiece style, can not influence the sound surrounding the player. It adopts the advanced 4 times noise reduction technology, keeping the communication crisp and clear during playing game. 1.Bluetooth Headset with Microphone2.Portable and easy to carry3.with Bluetooth 2.0.4.High Capacity Lion Battery Specifications1. Bluetooth version: Bluetooth V2.0+EDR2. Chipset: CSR BlueCore4-Audio ROM single chip3. Frequency: 2.4GHz4. Operation range: 10m5. Microphone sensitivity: -45dB(0dB=1V/Pa,1KHz)6. Transmission power: Class 2 Basic Parameter1. Weight: 43g2. Talk time: 8 hours3. Standby time: 250 hours4. Charge time: less than 8 hours5. Charge current: 80mA6. Charge voltag
Specifications Promation Bluetooth Headphone Hot Selling 1.100Kpcs per month 2,MOQ 500pcs 3.CE,ROHS ,FCC 4.OEM custom design,logo,packing Promation Bluetooth Headphone Hot Selling : feature : 1.Vogue slim design, lightweight and comfortable2. Dual stereo track, Ideal choice for listening music with iPod and MP3 players. . 3.Suitable for iPod all types and iPhone all types, MP3/MP4 players etc. Specifications:·Speaker:40mm·Color:any pantone colour·Frequency Range:20H--20KHZ·Sensitivity:103dB+/-5dB at 1kHz·Impedance:32ohm·Plugging:3.5mm Stereo·Length of cable:1.5m·LOGO:available·CE,ROHS,FCC compliant·Fit for MP3,computer,CD,radio etc
Specifications 2013 New High Quality Wireless Mobile Bluedio S60 Bluetooth Headset Earphone Headphones Handsfree for cell phone 2013 New High Quality Wireless Stereo Bluetooth Headset Bluedio N76 Super Mini & Chic Lightweight Bluetooth Headset (Russia customer,when you put order ,please put in your full name,thanks very much!) S60 is introduced into the market with the Bluetooth V3.0, long standby,voice prompt&low radiation. Besides all these, the mirror cover is another sparkling feature of S60. After a meal,or onthe way to an appointment,no time to tidy up? No problems,take Bluedio S60 out, not only givesyou a convenient call,but also is your mirror,keep you in a good manner at all times. SpecificationsBluetooth Version:3.0Operating Distance:10mBattery: Battery Built-in rechargeable li-on polymer batteryCharging Plug:A/C charger,Micro-USBHeadset Weight:around 5gSize:53*17*25mmVOIP:SupportMultipoint Technology:YesMusic Streaming: YesMulti-function Button On/Off:Yes
Brand Name: Yes-Hope Model Number: BT-1302 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Portable Media Player Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Driver Unit: 30mm Frequency response: 20-22KHz Impedance: 32ohms Senstivity(at 1KHz): 115dB Max input power: 3.5mm stereo Packaging & Delivery Packaging Detail: polybag / gift box / blister card Delivery Detail: around 35 days receipt of deposit Specifications 1. Studio Headphone Mixer 2. Bluetooth headphone 3. Super sound quality, extra bass system 4. Suits for all audio * Hands-free Bluetooth stereo headphones* Headset with microphone, you can enjoy making phone calls and listening to music * Has buttons on the headphones for volume, next track and call answering controls* With built-in high capacity Li-polymer battery Product show: Package &nb
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
Brand Name: Sunvision Model Number: SVS-HP-WL07 Style: Headband Communication: Wireless Connectors: usb, mobile phone, computer Use: studio DJ Function: Bluetooth,Microphone Place of Origin: Guangdong China (Mainland) System: VHF/ RF Modulation:: FM Mode: Mono Speaker: 27mm mylar Packaging & Delivery Packaging Detail: colorful box package(OEM package) Delivery Detail: sample 3-7days, leadtime is depending on your order quantity. Specifications Wireless headphone for PC &TV, OEM,ODM high quality Multimedia headphone from china factory, colorful 5 in 1 wireless headphone, high quallity bluetoothheadphone Specification: System:VHF/RFModulation:FM Mode:MonoOperation distance>30meters(360 degree)Signal-to-Noise Radio>50dbDistortion<2%THDSpeaker:27mm mylarFrequency Response:20-20000HzTransmission Frequency:86MHz ±0.5MHzReceiving Frequency:84-108MHz(±0.5MHz)Power Supply Headphone:3V(2*1.5V AAA batteries) Transmitter:3V(2*1.5V AAA batter
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. Foldable and cool design 2. Noise Reduction Stereo Headphone 3. OEM&ODM service 4.CE,ROSH,FCC 5. Use for PS3,XBOX,PC
Specifications Portable bluetooth headset smallest bluetooth headset blister packing standby time:110hours operation range:10m Portable bluetooth headset1.The smallest and lightest 2.Easy-to-use one touch button control 3.Fashionable design and light weight at only 6.9 grams 4.Reversible ear hook, wear on either ear 5.Noise reduction microphone, Excellent sound performance 6.Enhanced voice clarity makes it easy to chat 7.Rechargeable Li-polymer battery 8.Auto re-link with your mobile headset 9.Talk time up to 6 hours,standby time up to 110hours Product Specifications bluetooth versionv 2.0Talking time6 hoursstandby time110 hourscharging time1-3 hours
Brand Name: OEM Model Number: R525 Style: In-Ear Communication: Wireless Connectors: Mic 5Pin Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Chipset: CSR V3.0 Frequency: 2.4GHz Range: 10M Talking Time: 4H about Packaging & Delivery Packaging Detail: paper color box/Blister packing/wooden box/Crystal box Delivery Detail: 10 day Specifications bluetooth headphones 1.Delicate mono&stereo bluetooth headset 2.Newest easy-to-use blueto bluetooth headphones Features of Bluetooth Headphone: 1.Bluetooth headphone with built-in rechargeable battery2.Bluetooth headphone, suitable for different bluetooth mobile phones3.Bluetooth mono call center headphone, low end and long talk time4.Bluetooth headphone with adjustable volume and 10 meters effective range5.Stylish mini and elegant appearance design6.Easy to wear without hook ,very comfortable 7.Redial the last call, clear sound, reject call, volum
Brand Name: TOMO Model Number: CS1 Style: Headband Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: ABS bag+PC Delivery Detail: 3days for sample, 7days for bulk product Specifications multi function 4 in 1 wireless bluetooth headphones 1. Sound proof; 2. Bluetooth stereo power: 28mA 3.rechargeabl battray high multi function 4 in 1 wireless bluetooth headphones 1. Sound proof;2. Bluetooth stereo power: 28mA3.Built-in rechargeabl battray 1. Sound proof;2. Support usb file transmit;3. Micro SD card up to 32GB; 4. Support LINE-IN function;5. Latest V3.0 +EDR,third version; 6. Transmit range:10m; &
Specifications 1.Top quality in Sealed retail box 2.Fast delivery 3.Mixed order is welcomed 4.Pls contact us for more detail pictures Namehigh quality wireless headphonesCommunicationwirelessConnect3.5mmPackingIn sealed retail boxApplicationsFor computer, telephone, portable media playerPlace of originChinaPayment termsmoneygram, western union, T/TShipping termsEMS, DHL, UPS, TNT, FedEx, or as your requirementweight1.5kg/pcsvolume26*20*14cm/pcs INCREDIBLY CLEAR SOUND. Wireless headphones feature powerful sound, as clear and strong as any wired headphone. They also come with a cable you can plug into if you don’t want to go wireless. TEN HOURS OF BATTERY LIFE. Longer battery life means you can listen to your music for hours without interruption. To recharge your headphones, just plug your Wireless headphones into any computer or USB port. PAIR YOUR HEADPHONES TO ANY DEVICE. Stream audio from your laptop, or any other Bluetooth-enable
Brand Name: OEM Model Number: HB18-01 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Computer Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Speaker: 40mm color: as your request logo: welcome Packaging & Delivery Packaging Detail: 1.blister package 2.white box/color box 3.custom carton Delivery Detail: 20days after you confirmed the order Specifications hot sell bluetooth headphones,black bluetooth headphone,bluetooth headphone manufacturers&suppliers&exporters cool bluetooth headphones,black bluetooth headphone,bluetooth headphone manufacturers&suppliers&exporters Description:1,wireless headphone 2,FM radio 3,wireless monitoring 4,microphone for net chat5 in 1 wireless headphonewhich works freely with PC,MP3,TV,MD,DVD etc;High Sensitivity, interference resistance, strong signal, outstanding performance, effective range over 8m, and reception beyond obstacle of wall. Bass speaker for great enjoyment 
Specifications 1.2.4G Bluetooth Card with best sound quality 2.Color of headset can be customized as Pantone color 3.CE, Rohs,FCC certificate Services / FAQs & Order Procedures Who ?We are factory do earphone more than 8 years in Guangzhou city ,we have more than 300 workers ,this earphone is very hot sales in 2012,we have all series of this earphones and headsets ,they are all with good speakers ,so have good sound ,all with high quality so promise your good business in your city ,they are all with original packing so takes your good sales .What?Besides the this earphone, we also offer much diff
Specifications Bluetooth headphone 1.In-ear design 2.Active noise cancellation Specification:The headset supports Bluetooth V3.0+EDR and also V2.0/2.1 with handsfree,headset profileStandard:Class IIRange of frequency:2.4GOperation distance:10MBattery standby Time:72hoursRechargable Battery: 2 hours Effective range of 32 feets (10M).Charge current:5V Features:Design for use with Bluetooth-enabled mobile phonesEnhance noise reduction for crisp, clear soundExcellent sound qualityAllow simple hands-free answering. Just say answer or ignore to handle your callsRemark: 1. The basic price offer is not include any license, the upcost for license is according to customer's requirement. Item No.:FWHS-700Description:BLUETOOTH HEADPHONEColor:BlackUnit Size:5.4(L)x1.8(W)x2.5(H)CMCertification:According to customer's requirementLicense: Minimum Quantity:10
Specifications 1.Support A2DP, AVRCP; 2.Smart connection; 3.Rechargeable battery system; 4..Built-in Mic. BLUETOOTH MP3 HEADPHONE E68 Function TF card support,bluetooth built-in, mp3, headphone, telephone, EQ Specification( bluetooth part)Bluetooth version: bluetooth V2.0.Transmitted power: Class 2(max 4 dBm)receive sensitivity: battery: rechargeable 460mAh Li-ion battery.power supply: DC5Vcontinuous talking time: over 15 hoursstandby time: about 240 hoursweight: 77gsize: 15*15*6.5mmoperation range: within 10 meters Specification(mp3 part)Audio format support: MP3/WMA/WAVExternal memory enlarge: TF card( Max 8G)Play time: continue about 10 hoursUSB Jack: USB 2.0Frequency response: 20Hz~20kHzOutput power: 15mW*15mWRecord sampling rate: 64Kbps/8KHzRecord format: WAV Hardware specification definitionSolution Transmit powerClass 2, Max4 dBmReception sensitivity-88dbm(typical)Working Band2.4G ISM Band,2
Specifications 1.Portable wireless music headphones for Phone 2.Answer and dial out phone convert automatically 3.Bluetooth2.1+EDR Class 2
Brand Name: USBONLINE Model Number: USWH0019 Style: Headband Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth Place of Origin: Guangdong China (Mainland) Color: Grey Packaging & Delivery Packaging Detail: Gift box/ OEM Delivery Detail: 2 to 7 days when confirm the order Specifications Best wireless bluetooth headphones 1 SD card wireless music headphones 2 Two year warranty 3 Excellent experience Best wireless bluetooth headphones SD card wireless music headphonesFetures:1.Advance wireless music headsets provide portable,3D sound and high-quality of subwoofer enjoyment.2.No need to connect any cable and just simply insert the SD card,you can play your favorite music.
Specifications 1.Headset with PU foam 2.3.5mm stereo jack 3.with CE and ROHS certifications 4.Colors it is available 5.Blister/color boxes Superior quality 4.0v bluetooth headphones with CE/ROHS from China factory with the best price About us: Shenzhen Dayixin Technology Co., Ltd, established in 2007, specialized in developing and manufacturing various types of headphones, earphones, mini speakers and Microphones. Our office is located in Songgang Town of Shenzhen with convenient transportation and fast market information, we provide high-quality and competitive price products. Our Main lines: wireless headphones, Bluetooth Headsets, Stereo Headphones, computer headphones, mp3 earphones, mobile earphones, retractable earphones, mini speakers, bag speakersand Microphones ect... Product showing: Specifications: Bluetooth versionBluetooth V3.0+CSRSUPPORT: HSP, HFP, A2DP and AVRCPKeyVolume up/downSong last/nextMFB pair/pick/hang/r
Specifications -Neckband bluetooth stereo headphone -Bluetooth v4.0+ NFC -Class 2:Distance up to 10 meters -Standby time:300 hours Details of Neckband bluetooth headphone Specification - Bluetooth® v4.0+ NFC - Class 2: Distance coverage up to 10 meters - AptX, SBC, MP3 and AAC decoder support - Charging time: 3 hours - Music playing / Talk time:≥10 hours- Standby time: 300 hours- Frequency Band 2.4~2.4835GHz unlicensed ISM band- Sensitivity: 110 dBm at < 0.1% BER- Rechargeable 310 mA/h li-polymer battery- Audio Function 1.CD-Quality,44.1,48KHz16bitstereo 2.Freq.Response:20Hz~20KHz 3.Codec:Subband codec(SBC)- D 3.5mm Jack Features 1.Wearing style and ear buds help provide stability and a comfortable fit 2.Support APTX and AAC(optional).3.Embedded microphone for hands-free conversation from Bluetooth-enabled cell phones. 4.When receives an incoming call, the music will pause automatically. 5.Easy controls fo
Brand Name: YES-HOPE Model Number: BT-1300 Style: Headband Communication: Wireless Use: DJ Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Usage: disco headphone Frequency response: 20-20KHz Impedance: 32ohms Sensitivity (+/- 5dB at 1KHz): 115dB Max input power: 100mW wire: wireless Packaging & Delivery Packaging Detail: blister card/gift box/ploybag Delivery Detail: around 15days receipt of deposit Specifications 1.fashionable design , Disco Bluetooth headset 2.wireless 3.Perfect sound, gives you experience the passion 4.silent disco Yes-hope BT-1300 Disco Bluetooth headset/ bluetooth headphone / wireless headset for Disco Driver unit: 2 ×40mm speakerFrequency response: 20-20KHzImpedance (+/- 10%): 32ohmsSensitivity (+/- 5dB at 1KHz): 115dBMax input power: 100mW The feature : 1.fashionable design 2.silent disco headphone with headphone disco. 3.Supports great-sounding WR-2960 Bluetooth tr
Brand Name: OEM Model Number: BTH03 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Portable Media Player Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) colour: black, red, speaker: bluetooth speaker battery: built-in rechargeable battery RF range: 30feets output: 3W Packaging & Delivery Packaging Detail: 12pcs/carton Carton size: 43*29*49cm Net Weight: 5.6 KGS Gross Weight: 6.6 KGS MEAS:37.5*26.5*48CM Delivery Detail: 10-25 days Specifications bluetooth headset for Ipad,iphone,Ipod 1.Bluetooth+MP3+calls 2.Super comfortable sponge cover 3.Foldable ear hook Features:Works with most Bluetooth-enabled device Aux-in port for connecting with other music devicesCall pick up/hang upVolume controlRedial last callMedia control: pause, play and Music TrackBuilt in Li-ion polymer rechargeable battery 
Specifications 1) Bluetooth Headset 2) V3.0+EDR 3) OEM Brand 4) Color Customized 5) Gift Box Model No.: F-0350 * Stereo Bluetooth Headphone * Work with mobile phones, new Nano, tablet pc, etc MOQ:3KModel:F-0350Color:CustomizedPower:USB Charging CableCertificate:CE/FCC/ROHS Market Share:North America (15%)Europe (20 %)South America (12%)Japan (10 %)Malaysia (22 %)Korea (10 %)Philippines (8 %)Other countries (3%) Feature:1) Head-band style 2) Hand Free Function3) Song Chosen Button, easy control4) Volume button5) 10 meters Bluetooth Range6) Rechargeable Battery built-in7) Colors Customized8) Eco-friendly and long time standby9) Hi-fi stereo quality10) OEM brand11) Large Market Scale12) Cheap and qualityPackage:Gift BoxPacking Details:100 PCS/CTN/51*46*30.5 CMSample:Available Specification: Bluetooth Version:V3.0+EDRSupported Profiles:HSP: Heads
Brand Name: www.trait-tech.com Model Number: Wireless Bluetooth Headset T-MBT-176 Style: Ear Hook Communication: Wireless Connectors: wireless Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Bluetooth: version 3.0 Frequency: 2.4FHz-2.4835Hz Standby Time: 4 hours Working Range: 30ft Model: Wireless Bluetooth Headset T-MBT-176 Packaging & Delivery Packaging Detail: Q'ty/Carton : 100 pcs Carton G.W : 12.500 kgs Carton Size: 37.0*43.0*35.0 cm Delivery Detail: 1-3 Working Days Specifications Wireless Bluetooth Headset 1.High quality and elegant appearance 2.Lightweight and portable 3.Bluetooth V3.0 4.Low Price Universal Ear Hook Dual Macs Stereo Wireless Bluetooth Headset Headphones NO.Wireless Bluetooth Headset T-MBT-176 TypeBluetooth headsetSingle Weight0.1250kgsDimension8.5*3.5*18.5Frequency 2.4FHz-2.4835Hz Standby Time 4 hours Working temperature-20°C~60°C BatteryRechargeable Lithiu
Brand Name: DS Model Number: CWYT032A Style: Headband Communication: Wireless Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: standard box, or OEM Delivery Detail: 1-7 days, according order quantity Specifications Headband Wireless Bluetooth Headset SpecificationMain Function: Bluetooth HeadsetSupporting Edition: 2.1Frequency Range: 2.4 GHz - 2.48GHzTransmission Power: Class2Transmission Distance: 15MEnvironment:- Working: -20 Degrees Celsius -60 Degrees Celsius- No working: - 20 Degrees Celsius -60 Degrees CelsiusTemperature: Charging: 0 Degrees Celsius - 45 Degrees CelsiusOperating Voltage: 3.6vOperating Current: less 35mAStandby Current: less 2mACharging Time: 2-3HTalking Time: more than 6.8HStandby Time: 200HColor: BlackPackage1xBluetooth Headset1xCharger1xUser Manual
Specifications 1. Support line in music from other devices 2. New design 3.line-in 4.OEM product most popular new private bluetooth headphone : Specifications:Wireless transmission distance: CLASS IIBattery capacity: 250MAHFrequency range: 20-20KHZSensitivity: 95DBSpeaker impedance: 32 ohmSpeaker Size: 32MMCharing time: 2HVoice Communication working time: 8-10HBluetooth Music Playing time: 8-10H(Based on two-thirds of the maxium volume)
Brand Name: ZC Model Number: other Style: Ear Hook Communication: Wireless Connectors: Other Use: Portable Media Player Function: Waterproof Place of Origin: Guangdong China (Mainland) Color: any Size: any Type: headphone Packaging & Delivery Packaging Detail: PP package Delivery Detail: 15-25days Specifications -Sterling Bluetooth Headset Sleeve Black -OEM & ODM is welcomed -Exquisite handworked -Competitive price Sterling Bluetooth Headset Sleeve Black Features: 1. Factory supply,high quality,low price 2.The good was made of EVA carrying case suitable for electronics. 3. Carry handle and detachable carabiner 4. Customer's Designs and Logos are Welcome
Brand Name: Xinvo Model Number: bluetooth earphone Style: In-Ear Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) useage: bluetooth earphone Charge time: 3h Operating voltage: 3.7V Transmission distance:: 10m package: color box, blister packing Colors: yellow,White,Blue,Red,Pink Packaging & Delivery Packaging Detail: gift box,color box etc. The package also can be customed according to your requirements, including print your logo. Delivery Detail: 3 -7 days after received deposit. Specifications bluetooth earphone 1.Fashional Design, 2.Stereo Bluetotoh Function 3.play music from your mobile 4.Bluetooth Headset Newest Waterproof Bluetooth Headset Detailed Product Description: Stand alone solution for Bluetooth headset and Waterproof function; Smart design, no need extra cable or headphone lines, Features:Stand alone solution for Bluetooth headset and Waterproof function; Sm
Specifications Luxury Design Wireless Bluetooth Stereo Headset Heart shaped Earphone Headphone for Universal Mobile phone S3 S2 lStylish clip-on headsetHM1500 is stylish clip-on design. Using a clip to attach the headset to your clothes, use a comfortable earpiece and microphone for the protection of privacy. lVibrationUse the vibrating alert for call notification in noisy environments or when your handset is on silent. lNoise reduction and echo cancellationEliminate unwanted background noise during calls with noise and echo cancellation DSP technology for crystal-clear conversation. lAdvanced multipoint-connectivity with two mobile phonesThe HM1500 boasts multipoint technology, allowing direct connectivity between HM1500 and two mobile phones. lAutomatic volume adjustmentWith automatic volume adjustment, HM150 will raise the volume of your conversation automatically when the background ambient noise level increase, and lower the volume when background noise decrea