Brand Name: OEM Style: In-Ear Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Headset version: V3.0+EDR Support profiles: Headset,Hand-free, A2DP Operation Range: 10meters Battery: Rechargeable lithium Color: Black and White Packaging & Delivery Packaging Detail: 1.paper with color box packing 2.packing according to customer's requirement Delivery Detail: 1-3 days for sample order, 3-10 days for bulk order Specifications 1. CSR chip 2. connect 2 phones 1 time 3. play music 4. for iphone,for samsung etc. Stereo bluetooth headset with two phones Specifications: mobile phone stereo bluetooth headset 1. CSR chip 2. connect 2
Brand Name: Shuerr Model Number: SER-HEB-007 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Color of the ear shell: Can be customized as pantone color Color of the cord: Can be customized as pantone color Raw material of the cord: PVC, TPE Logo impritnts: Can be peritned of the shells OEM service: Is available General Color: White, black, red, purple, blue, etc Bluetooth options: Universal Bluetooth card 2.4G Capacity of Batteries: 280 mA Certificate: CE,Rohs,FCC Packaging & Delivery Packaging Detail: PE Bag, Gift Paper Box, Plastic Case, PU Socket, Colorful Box, Acrylic Case, etc Delivery Detail: about 25 days against you confirm the approval samples 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&nbs
Brand Name: OEM Model Number: BT-H01 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Color: black, red, and white Packaging & Delivery Packaging Detail: Gift box Delivery Detail: 15 to 30 days Specifications bluetooth 3.0+EDR Support phone call function Foldable and retractable headband AUX input function BQB available Wireless bluetooth headset Main features:1. Bluetooth CPU: ISSC IS1681S2. Compliant with Bluetooth 3.0+EDR3. HSP, HFP, A2DP, AVRCP Profile support4. AUX input function5. Foldable and retractable headband6. Operating distance: 10 meters7. Answer & end a call at click of a button8. Redial last number9. Voice dial10. Volume control11. Playback control (previous track/ next track/pause/play)12. Built-in Lithium battery 260mAH13. Working time: Music: up to 7 hours Talk: up to 8 hours &nb
Brand Name: ZT Model Number: HC-BH29 Style: Ear Hook Communication: Wireless Connectors: USB Use: Media player/mobile phone/computer Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Name: Ear-hook Bluetooth Headset for Phone PC Tablet PC Brand: ZT EXW Price /PC: $12.20 Color: black MOQ: 100PCS Packing: blister Gurantee: 6 Months Weight /pc: 0.078KGS Size/pc: 13*6*21CM Packaging & Delivery Packaging Detail: packing in blister ,packed in carton Delivery Detail: 3 days after get your full payment Specifications 1.magnetic conduction technology 2.for Iphone/Ipod/HTC /Blackberry/ NOKIA/Samsung/MOTO 3.2 magnetic charging connection Ear-hook Bluetooth Headset for Phone PC Tablet PC Our Advantages: 1. Factory Direct Sale 2. Eleven Years Experience 3. IPEGA & PEGA Famous Brands 4. High-quality Products, Reasonable Prices, Superb Technology,Timely Delivery 5.Hot Selling at the Market What are y
Specifications Hotest Bluetooth Headphone wireless stereo bluetooth headset;Bluetooth specification v3.0+EDR class23;Rechargeable battery. Arhythm-003 FeaturesBatteryRechargeable 520mAh lithium batteryMaterailPlasticWeight138gTalk time24 HoursStand-by time30 DaysCharging time6 HoursDesignPortable foldable;scaleable Distance8-10 MetersFrequency range2.40GHz-2.48GHzTransmitting powerGlass2Bluetooth versionV3.0+EDRDevices SupportedAll digital devices with bluetooth functionPrinting Options:Silkscreen&Digital printing,Water transfer printingPacking DetailsDemension85mm*85mmPackaging size186mm*78mm*210mm Feature:Most advanced buletooth technology, enjoy music wirelessly with Bluetooth stereo enabled deviceDelicate, Bluetooth stereo enabled deviceBuild-in high-quality 40mm mylar loudspeaker for audiophile grade sound qualityEnjoy stereo music wirelessly on QQ, MSN, SKYPE or on mobile phoneRemote function:play, stop, previous/next, volume+/-Specification:Bluetooth specification V3.0+EDR
Brand Name: SOASO Model Number: XY-HP-8004 Style: Headband Communication: Wireless Connectors: 3.5mm Use: MP3/MP4/PC/Mobilephone/all music devices Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) color: colorful design, can do any colors package: blister, gift box, white box, OEM services logo: can be customized any logo certifications: CE/ROHS/Phathalate/Reach/PAHs sound: high/low bass sound quality: tip-top quantity: as your request Packaging & Delivery Packaging Detail: gift box, Blister, PVC Window box, white box, Polybag Delivery Detail: 20-25 Days Specifications bluetooth headphone with mic 1. super bass sound 2. OEM package 3. CE/ROHS/Phathalate 4. And logo design bluetooth headphone with mic Specification: 1) frequency: 86MHz2) modulation mode: FM3) transmission range: 35 meters4) power supply: 2xAAA or 4.5V adaptor (to be purchased additionally)Receiver (headphone):1) frequency range: 84-108MHz
Brand Name: OEM Model Number: AS-N97 Style: In-Ear,fashion Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling,bluetooth Place of Origin: Guangdong China (Mainland) purpose: OEM color: black distance: 10 meters certificate: CE,ROHS Packaging & Delivery Packaging Detail: Dimension:15.0*11.9*3.7cm weight/box: 104.60g product size: 49.7*16.2*23mm product weight: 8.1g OEM packaging or as the customer requirement Delivery Detail: 15~25 after order confirmed Specifications Wireless bluetooth headphone N97 1.Smart &cute design 2.Bluetooth and hands free function 3.Noise cancelling 4.OEM,CE&ROHS Wireless bluetooth headphone AS-N97 1.Bluetooth standard:V2.1 + EDR 2.compatible V1.0 V1.1 / V1.2 / V2.0 3.Transmission: class2 4.Working range:10M 5.Frequency range :2.4-2.48Ghz 6.Talk time :≥4 hrs7.Chargin
Brand Name: Rambotech Model Number: BSH555 Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Color:: white Talk time:: Up to 12 hours Music playback time:: 8 hours Bluetooth:: V4.0+EDR compliant . Standby time:: Up to 500 hours Packaging & Delivery Packaging Detail: color box packing Delivery Detail: 60 days Specifications 1. 2012 with wireless microphone headset bluetooth 2.Multiple connectivity options: Line-in noice canceling bluetooth headphones with wireless microphone headset for music & calls Primary featuresProduct nameBluetooth stereo headsetModel NO.BSH555Paring nameAccording to the orderBluetooth standardBluetooth3.0 +Class2Distance10 meters in open spaceDimensionsL155mm*W45mm*T58mmWeight(Bare device)TBDSpeaker specifications40-32ΩBattery specifications3.7V/120227/270mAHStandby current0.5mAOff leakage currentLess than 2uACall/play curren
Specifications Bluetooth Headphone 1.bulit-in microphone 2.Overstuffed leather 3.Adjustable ,folding design 4.Active noise cancellation Features:Hands-free Stereo Sound, compatible with iphone,ipod, android, MP3 audio players, tablets, computers and other bluetooth enabled devices.Built-in MicrophoneRechargable Battery, Usage time:up to 10-11 hours (fully charged), Approximately 3 hours charge timeAdjustable ,folding head band2X 2 speakers USB charging cable includedBluetooth Version: 2.0Bluetooth Profile: a2dp, avrcp,hsp,,hfpEffective range of 32 feets (10M).USB charging cable included Aux in function Item No.:FWBT-08-OrangeDescription:BLUETOOTH HEADPHONEColor:Black ,White, Orange, GreenUnit Weight:2.8KGSUnit Size:190(H)x180(W)x32mm(D)Solution & pick up: Certification:According to customer's requirementValid Period:one monthMinimum Quantity:900pcsPayment term:30% deposit and T/T balance before shipmentLeadtime:60days for 1st order, 45days for repeat orders.Exclusive Mark
Brand Name: www.sw.ws Model Number: Bluetooth Headset Style: Ear Hook Communication: Wireless Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) SKU: 52568 52569 Weight: 0.2 Kg Color: Black, White Packaging & Delivery Packaging Detail: Poly Bag / Customized Blister / Color Box Delivery Detail: 1-5 Working Days Specifications Bluejoy BJ-900 Wireless Dual Mic Stereo V3.0 + EDR Bluetooth Headset Brand New Bluejoy BJ-900 Wireless Dual Mic Stereo V3.0 + EDR Bluetooth HeadsetExcellent sound quality.High capactiy Li-poly battery,extra longer talk time and standy time.Small and light-weight Bluetooth headset.Mainly composed of earhook, ear ring, charging socket, indicator light, pause/play/answering/ending call button, '+' and '-' buttons and microphone.Super-lightweight makes you forget even you are wearing it.Can answer, end, reject, and make a new call.Bluetooth Version: 3.0 + EDR.Blutetooth Mode: Handsfree / Headset / AV / AC RCP profile.Powe
Specifications wireless bluetooth headphones for laptop 1. Cool design bass headphone 2. Enriched sound 3.low price abd best quality 2013 Fashionable Wireless Bluetooth Headphone Details Bluetooth version: Bluetooth V3.0+EDR Supports: HSP, HFP, A2DP and AVRCP Key: Volume up/down, Song last/next, MFB pair/pick/hang/recall Effective range: 10 meters Working time: Music: Up to 10 hours Talk: Up to 11hours Standby time: up to 250 hours Input: DC: 5V/130mA Charging time: about 3 hours Microphone: build-in Rechargable: USB mini 5 pin cable Bluetooth versionBluetooth V3.0+EDRSupportsHSP, HFP, A2DP and AVRCPKeyVolume
Specifications 1.hot sell headphone 2.high quality. 3.best price 4.best after-sale service. Delivery includes:headphonesRigid Toure CasesAnti-Microbial Clearning cloth1/8 to 1/4" adapter
Specifications 2013 new bluetooth headset 1.One key to answer the phone 2.with battery 3.10m transmission distance 2013 new bluetooth headsetSpecifications Low power comsumption;Receiving/hanging up/rejecting phonecall/voice dialing/redialing. bluetooth headset Features&PricesVersionBluetooth V3.0+EDRTalking time3-4HCharging Voltage5VStandby time≥100HCharging time2-3HEffective distance10MMachine size14.5*8*31 mmQuantityUnit PriceMachine weight5.2g50pcsContact usPacking size102*131*47 mm1KAvailable colorBlack3KComplete set weight76.6g5KProduct featuresLow power comsumption;Receiving/hanging up/rejecting phonecall/voice dialing/redialingOriginal imported ISSC chip
Specifications 1. wireless bluetooth headphones for laptop with Line in function 2. factory sell directly 3. with MIC, line-in Color black,white,red,silver Speaker 1.5inch 4Ω Bluetoothsupport Line insupport Colorful,fashion, wireless bluetooth headphones for laptop with Line in function SpecificationBluetooth Headphone with Line-in function.1. V2.1 Bluetooth Function Stereo good sound, Distance: 10m2. Line-in Function,with Mic3. Built in Lithium battery 400MAH, 4. Charge time: 2hs, play time: 6hs.5. Output power: RMS 0.5W(0.25W*2) THD=10%6. Frequency Response: 150-18KHz7. Loud Speaker 1.5inch 4Ω8. Color: black,red,white,light blue9. Packing: 60pcs/ctn, Carton size: 66*36.5*35cm. N.W/G.W: 13.5kgs/14.7kgs
Brand Name: YOUNGREEN OR OEM Model Number: BTS-0501N Style: Neckband Communication: Wireless Connectors: USB Use: Mobilephone,Laptop etc Function: Bluetooth,Waterproof,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Name: Neckband Bluetooth Headphone Certification of Bluetooth Headset: CE / ROHS/BQB/FCC Bluetooth Protocol: A2DP/AVRCP/HFP/HSP Bluetooth version: V2.1+EDR Color: Red,Blue,Pink,Black, Purple(Color and logo customized) Talking time of bluetooth headsets: More than 5 hours Standby time of bluetooth headsets: More than 30 hours bluetooth headsetsransmission Distance: About 10M Dimensions: 15*10*5.5cm(For gift box) Approx Weight of Bluetooth Headset: 44g Packaging & Delivery Packaging Detail: Gift Box Packing For Neckband Bluetooth Headphone - Gift Box Size: 15*10*5.5cm - Quantity of foldable neckband headset: 40Pcs/Carton - N. W.: 44G G. W.: 175G - Carton size: 39.5*29*32cm -Colors:Red,Blue,Pink,Black, Purple(Color and logo customized) Delivery Detail:
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
Specifications 1. Bluetooth Headsets Earphones Convenient For Sports 2. Built in Microphone 3. Stereo 4.Color: Black,red,blue,green Bluetooth Headsets Earphones Convenient For Sports Features:1. Wireless appreciation in the mobile phone play the stereo music.2. listen to the radio broadcast computer stereo music.3. Use the network to realize the remote wireless two-way conversation.4. Radio listening to the stereo music, dial out, answer the call to be automatic conversion.5. Portable back-hang design, convenient for sports.6. Allow you answer the phone anytime and anywhere.7. Built in Microphone for Handsfree Cell Phone use.8. Can answer calls from any phone. Specifications: ColorBlack/Red/Blue/GreenWeight75gButtonsPlay/ Pause, VOL +, VO -, Call/ ReceiveCharging time1-2 hoursPlay time4 hoursStandby time250 hoursUSB Cable LengthAbout 62 cm/ 24.8''Bluetooth versionV2.1+EDAudio range2.402GHZ~2.480GHZ ISM BandBatteryBuilt-in lithium battery (charged via 2.0 USB)Channel79cha
Specifications Caller ID. Headphones bluetooth Unique styling Voice prompt. Great sound&Multiple use. Connect 2 divices at the same time. Specification:High Acoustic Fidelity. Elegant Fashion Design. Extremely Competitive Price. Brand New Stereo Bluetooth Headset. Bluetooth VersionV 4.0 with EDRSupported ProfilesHFP, HSP, A2DP, AVRCP, Headset, HeadfreeOperating Distance10mTransmission Powerclass 1Frequency response2.5GHZMusic StreamingYesStandard Bluetooth FeaturesYesVoice answer/reject a callYesStandby Time(hrs)160Talking Time (hrs) 4Charging TimeLess than 3 hoursCharger powerInput 110-240 V AC, Output : 5V DCBatteryBattery Built-in rechargeable li-on polymer battery In the box1*Bluetooth headset1*Earphone1*User Manual1*AC charger &nb
Style: In-Ear Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Usage: Mobile Phone Packaging & Delivery Packaging Detail: gift box Delivery Detail: within 3days Specifications bluetooth headset for China mobile phone 1.excellent sound quality 2.mini size 3.light weight Compatible with various Bluetooth enabled devices such as mobile phones,PDAs and Computers 1.excellent sound quality 2.mini size 3.light weight 4.mobile enhancement 5.connecting people easily 6.human design 7.headset and handsfree profile integrated 8.universal compatible with bluetooth phone 9.clear sound speaker and sensitive 10. We can also offer the hot selling bluetooths for various mobile phones. Welcome to your inquiry! OEM is welcome, Small order accepted
Brand Name: Starfly Model Number: MBT02 Style: Ear Hook Communication: Wireless Connectors: Blueooth connection Use: Motorcycle, Bike, Ski, Wokers Helmet Function: Bluetooth Place of Origin: Guangdong China (Mainland) name: Intercom helmet Headset/ Bluetooth headset for universal Motorcycle DIstance: 500 meters Color: Black For motorcycle: YES For Bicycle: YES For workers: YES For sports: YES FM: YES Interphone: YES Factory service: YES Packaging & Delivery Packaging Detail: Colour Box+Blister Bag Color Box Size : 21x17x6 cm Carton Size: 65x34x23 cm/24 sets/Ctn G.W.: 21KG. Delivery Detail: 1-3 business days after bank transfer confirmation Specifications Sports!!Motorcycle Intercom helmet Headset/ Bluetooth headset for universal Motorcycle -Manufacturer 500m range HD voice Sports!!Motorcycle Intercom helmet Headset/ Bluetooth headset for universal Motorcycle -Manufacturer Motorcycle helmet headsets / intercom /bluetooth hands
Specifications Bluetooth headset,bluetooth headphone 1. Bluetooth headphone 2. Support TF card 3. sport bluetooth headphone Bluetooth headset/bluetooth headphone Parameter and specification Bluetooth Version: V2.1+EDR Class IIFrequency: 2.4GHz-2.48GHzProfile supported: Headset and Handsfree ,A2DP and AVRCPChipset: CSROperation range: >10mTalking time: >10hoursMusic playing time: 8 hoursStand-by time: >300hoursWeight: 104g Bluetooth headphone for mobile,IPAD,IPHONE,MP3,MP4,IPOD \ Listen to music when taking sport
Brand Name: OEM Model Number: RH001 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Microphone,line in and bluetooth wireless Place of Origin: GUA,guangdong China China (Mainland) material: ABS plastic color: white blue black usage: smart phone with bluetooth functon highlight: line in function 3.5mm ear jet working distance: 10M packing: factory standard box package type: headband ,stereo MOQ: 300 pcs Packaging & Delivery Packaging Detail: factory standard box packing Delivery Detail: 3 days after payment confirmed Specifications 1 .smart phone bluetooth headset 2.fast delivery good quality 3.factory directly wholesale 4.ceative ultra slim design wireless bluetooth headphone for smart phone with miscrphone hands free phone call High quality.Excellent Sound Quality.Well design and easy to use.Stable neckband means versatility for use conditions.Seamless switching between music and calls.Great sound with control.The headset supports
Specifications Bluetooth headset 1) Stereo Bluetooth Headset with back-hang style 2) Wireless enjoy stereo music and calls Bluetooth headset Features:1) Stereo Bluetooth Headset with back-hang style2) Wireless enjoy stereo music and calls3) Have voice dialing4) Suitable for mobile phones, PDA and PC5) Soft earwearing enable user comfortable6) When listen to music, it automatically mutes with each incoming call and continue after hang up Specification:1) Hardware Version: Rev.R032) Bluetooth specfication: Bluetooth 1.2 compliant3) Supported profile: A2DP, AVRCP4) Power class: classII5) Frequency Range: 2402-2480 MHz6) Spread spectrum: FHSS (79 channels) USA/EU7) Modulation: GFSK (Gaussian frequency shift keying)8) Interoperability: support the Bluetooth A2DP, AVRCP and HS/HF profiles9) Security: Pairing, encryption and aut
Brand Name: ever-plus Model Number: EBH-01 Style: Headband Communication: Wireless Connectors: USB Use: Computer Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) color: white,black,pink Specifications bluetooth headphone great stereo sound; noise reduction function; call and music automatically switch; OEM welcome. Stereo Bluetooth Headphone *Great stereo sound *Adjustable band and rotating earpads for comfortable fit *2.0+EDR version &n
Specifications Main functiCon:When listening to the music,it can change to automatically when a call come. Product description : HD Voice Stereo Bluetooth headset 1.Product Specification:V2.0+EDR 2.Support profiles:Headset,handfree. 3.Talk time:Up to 10 hours 4.Power source:Built in Techargeable Li-ion battery 5.Main function:When listening to the music,it can change to automatically when a call come Technical support : HD Voice Stereo Bluetooth headsetBluetooth modelV2.0+EDRsupport agreementHeadset,handfreetalking time10 hoursstandby time180daysvalid distance10meterscharging timewithin 2hourscharging voltageDC 5vhead size49*15*7mmhead weight10gcolorany colorwhole suit weight9.2g
Specifications Wireless Bluetooth Headphone Raspuns in frecventa:2.4GHZ ISM BAND PC system:Win2000,win xp,win7,vista,10M Power:3.7V 380mAH Wireless Bluetooth Headphone
Specifications Bluetooth Headset with fulll accessories original comeptitive price high quality Bluetooth Headset with fulll accessories original comeptitive price high quality
Brand Name: BYZ Model Number: TZY-M2005 Communication: Wired Connectors: 3.5mm Use: Mobile Phone Function: Noise Cancelling Place of Origin: Guangdong China (Mainland) Certificate:: CE, FCC sample:: one piece earphones &bluetooth headset in packing for:: computer, mobilephone OEM:: Yes Leadtime:: 25-35days cable length:: 130cm speaker size:: 12mm Packaging Detail:: 1piece in a saling bag logo:: requested colors :: all king of colors are available Packaging & Delivery Packaging Detail: carton Delivery Detail: 10-15 days after payment Specifications earphones &bluetooth headset in packing 1. Manufactory directly saling 2. High sound quality 3 Nice design earphones &bluetooth headset in packing Model No.: TZY-M2005 Parameter: Speaker size 12mm Impedance32ohmSensitivity116±3dBmFrequency range 20-2khzFunctionNoising cancellingWiresFlat cableUsageMobile ear phone, computerCertificateCE,
Brand Name: INDA / OEM Model Number: LB300 Style: Headband Communication: Wireless Connectors: bluetooth Use: mobilephone, pc Function: Bluetooth,Waterproof,Noise Cancelling,ultra light for portable Place of Origin: Guangdong China (Mainland) color: black,silver,blue,purple,red,pink mode: stereo Design: flash&charming&cute Feature: roll-over Material: pro-environment Charge: USB Packaging & Delivery Packaging Detail: 30pcs=1carton carton size:46.5*41.5*21cm box size19.5*15*4cm 1 carton=0.04CBM 20'Container=625cartons=18750pcs Delivery Detail: 20 days after receiving the deposit Specifications 1) smallest bluetooth headset 2) V3.0 + EDR class2 3) Distance: 15M 4) BQB approval 5) OEM available smallest bluetooth headset stereo bluetooth headphone with microphone (LB300) smallest bluetooth headset stereo bluetooth headphone with microphone (LB300) bluetooth headset cheap with microphone music enjoy and online chatting(LB300) bluetooth
Specifications cheap mini bluetooth headphone Conversation time: 360 minutes The factory price, delivery on time warranty:2 years warranty cheap mini bluetooth headphone The main parametersProducts: headphonesWear mode: ears hungFunction purpose: bluetooth headset Function parametersBluetooth specification: bluetooth 3.0 versionSupport agreement: A2DP, AVRCP, Handsfree, HeadsetTransmission range: 10 metersTransmission frequency: 2.4 GHzSuitable model: all kinds of mainstream mobile phone modelsCharging time: 2 hoursConversation time: 360 minutesStandby time: 192 hoursTransmission power: class 2 Other parametersAppearance design: black, white, redOther features: at the same time connect two bluetooth devices, automatic speech broadcast; The battery power and connection state tip; Digital signal processing (DSP), support clear call, strengthen the speech at the same time but not distortion; Voice transmission noise reduction function; Automatic volume control function; W