Specifications CSR8645 Bluetooth Stereo Headset 1.V4.0, CSR8645 chipset 2.Support bluetooth 4.0 3.Support APT-X (lossless), AAC-LC CSR8645 Bluetooth Stereo Headset1.V4.0, CSR8645 chipset2.Support bluetooth 4.03.Support APT-X (lossless) Technical standards: CSR 8645 program supports Bluetooth 4.0Transmission distance: 10 metersDimensions: length 180mm wide 70mm thick 40mmProduct Weight: 178g (grams)Talk time: 12 hoursStandby time: 300 hoursCharging time: 2 hoursBluetooth headset features:1)beautifully trends, fashion design.2)support HFP1.6, A2DP1.2 and AVRCP1.43)Supported formats: aptx (lossless), AAC-LC, MP3 and SBC4)super power saving, use dedicated charging management, to better protect the lithium battery5)anti-jamming, strong confidentiality. Noise reduction6)Then hang up, redial, reject a call, mute function, built-in Bluetooth priority
Brand Name: OEM Model Number: SKU10153 Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) model: X6 color: black + red bluetooth version: V1.2 class2 transmission range: 10m frequency rang: 2.400~2.480GHz talking time: 12 hours mp3 music format: support supportf card: up to 16GB rf output power: 4dBm bluetooth/mp3/fm playing time: 10 hours Packaging & Delivery Packaging Detail: Small box packing Delivery Detail: Within 5 days for 10pcs since payment arrived Specifications New Arrival X6 Sport MP3 Player + Bluetooth Headset w/ FM/TF Card transmission range:10m talking time:12 hours support mp3,TF New Arrival X6 Sport MP3 Player + Bluetooth Headset w/ FM/TF Card Features: - Model: X6- Color: Black + Red- Bluetooth version: V1.2 class2- Bluetooth profiles: A2DP/AVRCP/HFP- Transmission range: 10m- Frequency range: 2.400~2.480GHz- RF output power: 4dBm- Built-in 3.7V 500mAh lithium
Specifications 1. HD bluetooth headphone with mic 2. Noise canceling 3. Original quality with all accessoriess 4. 6 colors can be chose Bluetooth stereo headphones : Color : black / white / red / green / blue / purple Here we have all series of these headphones and earphones , please send me email to ask for the catalog ! ! ! Total Freedom From Wires. This Wireless headphone deliver the great quality , without the cord getting in your way. Controls on the ear cup even let you switch tracks without pulling out your music player. When you want to change a song, use the controls on your ear cup to manage phone calls and music. Incredibly Clear Sound . The 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. Around 6 hours Battery Life. Longer b
Specifications 1.Play music from bluetooth devices 2.Stereo 3.Portable external design with good quality 4.logo printing is available. Cool wireless Bluetooth headphone Bluetooth Version:V2.1, V2.0 ,V1.2 and standard V1.1Support Bluetooth profilesA2DP , AVRCP ,Headset Profile , Handsfree ProfileApplicable modelsCompatible with all smart mobile phone and tabletsEffective distance10 meter diameterFrequency2402MHz to 2480 MHz ISM BandMic Sensitivity45 dB (0dB=1V/pa ,1KHz)Talk time ( Fully charged )about 8 hoursStand by time( Fully charged )about 600 hoursOperating Voltage3.3V-4.2VCharging Voltage5VBattery Capacity500mACharging timeless than 4 hoursMatching method1. press power button lightly ,then the bluetooth mold of headset will open automatically 2. use your mobile phone to search the bluetooth connection "BH450B" 3. follow the tips and connect .if connected , you can use it nowAccessoriesone 3.5mm standard audio cable , one USB charege cab
Specifications 1.metal handsfree for Iphone,samsung mobile phones 2.accept OEM products 3.fast delivery 1.Plug Diameter: 3.5mm.2.5mmD800,KG800,K7502.Length: PVC 1.30 m 3.Speaker impedance: 32Ω4.Sensitivity: 100db5.the frequency response: 20hz-20 khz 6.Speaker diameter: 6μ,diameter10mm 7.chamber material: metal alloy chamber material made by the environmental protection8.drive-by-wire earphone
Brand Name: BW Model Number: S1000 Style: Headband,back-hang Communication: Wireless Connectors: 3.5mm Use: mobile phone; tablet pc; computer Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Type: stereo Connection: Bluetooth wireless Battery: Li rechargeable Packaging & Delivery Packaging Detail: - Box: standard or customization - User Manual x1 - USB Cable x 1 - Charger: car charger or Travel charger Delivery Detail: 7~18 DAYS Specifications - Bluetooth Stereo Headphones - Stereo Bluetooth headphones with headband style - support a2dp, avrcp 2012 NEW popular fashionable stereo bluetooth headphone- Stereo Bluetooth headset with back-hang style- Supports Bluetooth A2DP, AVRCP, and HS/HF profiles- Features Software & CVC echo/noise cancellation for reducing noise- Foldable design provides maximum portability - Wirelessly enjoy stereo music from all A2DP-enabled devices, such mobile phones, PDA, PC etc - Switch automatically from remote controls
Brand Name: Meidio Model Number: MN-1040 Style: Headband Communication: Wired Connectors: 3.5mm Use: Computer Function: Noise Cancelling Place of Origin: Guangdong China (Mainland) Sensitivity: 115+/-3dB Max input power: 40MW Impedance: 32ohms Type: Closed-back dynamic Cable: 1.2M(fabric) Color: Customized colors welcomed Logo: Customized logo welcomed Company: TUV manufacturer Service: ODM,OEM Packaging & Delivery Packaging Detail: color box, standard package Delivery Detail: 5-7days Specifications cheap wireless headphone high quality competitive price fast delivery customized color and logo welcomed bluetooth earphone 1.Type: Closed-back dynamic2.Driver Diameter: 40 mm3.Magnet: Neodymium5.Cable: 1.2M(fabric)6.Connector: 1/8-inch (3.5 mm) 7.Color:ALL color is available 8.Logo: print as your ruquire &n
Specifications 1.Bluetooth headphones 2.Supports bluetooth 3.Echo and noise reduction technology 4.Excellent sound quality bluetooth HeadsetSpeaker size:40mmFrequency range:20-20,000HzSpeaker impedance:32 Ohm±15%Speaker sensitivity:105dB±3dBMicrophone impedance:2200 OhmMicrophone sensitivity:-58dB±2dBMaximum power:100mwStandard operating voltage:4.5VWire length:2.2 metres
Specifications stereo bluetooth headphone 1. competitive price ; 2. good quality; 3. paypal accepted 4. fashion design Fashionable wireless bluetooth stereo headphone DESCRIPTION: Bluetooth Version: V2.0 Chipset: CSR Bluetooth Profile Supported: Headset,Handsfree,A2DP and AVRCP Operation range : 10mFrequency: 2.4GHZ spectrumTalking Time: 7 hoursMusic Playing Time: 5 hours Standby Time: 180 hours Charging Time: 2-3 hours Weight: 100 gPerfect fit, ergonomics and comfort.Stylish patent design,Stereo ModeCool fucntion for music enjoyEasy ControlsLong-Lasting ChargeBuilt-in rechargeable batteryLonger, Larger Range, Fast Pairing, and Minimal Interference SPECIFICATION: Bluetooth VersionV2.1 +EDRChipsetCSRBluetooth Profile SupportedHeadset, Handsfree, A2DP and AVRCPOperation Range10mFrequency2.4GHz spectrumTalking Time15 hoursMusic Playing Time6 hoursStandby Time180 hoursCharging Time2-3 hours
Specifications Wholesale Bluetooth Headphone, bluetooth headset with different colors. the bluetooth version: V2.1 + EDR. Wholesale Bluetooth Headphone, bluetooth headset with different colors wireless bluetooth Headphone Features:1. Bluetooth specification: V2.1 +EDR 2. Bluetooth profiles supported:Headset ,Handfree3. Operation Range: Up to 10 Meters4. Music formats:MP3,WMA,AMR,FLAC,APE,Vorbis etc5. Built-in rechargeable(lithium-Polymer) battery6. Recharge time: 3 hours full charg7. Playing time: 8 hours/ Talk time: 5 hours8. Built-in Microphone9. Support Micro SD card input slot up to 32GB10. FM radio function:FM support automatic station search , and maintain an effective radio with the release to listen11. U disk function:Connected directly to a PC via a USB cable, when speakers T card as a U disk directly copy songs12. HD lossless decoding:Special support APE,FLAC the HD lossless file decoding, restore sound is essentially13. Signal to noise ratio:≥90DB14. Out
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 1.high quality sound headphone 2.comfortable feather earmuff 3.mp3 insert cards headset earphone 4.fm radio 5.bluetooth cheap bluetooth stereo headphones tablet stereo bluetooth headphones factory 1) main featuressupport SD card/MMC /TF,max 16G.support audio forms of MP3, WMA. high quality speaker and sound cavity design,ensure high fidelity.CD quality effect. built-in standard 300 mA 4C polymer rechargable battery, continuous play music to 8 hours.line-in ,it can be as the HI-FI headphone to enjoy the external sound.line-out,to the paly the music through the external audio device with one audio cableone usb adapter and audio cable2) Basic technical Parameters
Brand Name: OEM Style: Headband Communication: Wireless Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: blister Delivery Detail: 3-7working days Specifications MINI Handsfree Bluetooth Headset SpecificationBluetooth Profiles : HandsfreeBluetooth Version : V2.0Transmission Power : Class 2Transmission Range : 10 MetersTalk Time : 7 HoursStandby Time : 100 HoursPower Supply : Built in Rechargable Li-ion BatteryDimension : 25x20x11mmNet Weight : 8.5gWhat's in The Box : Bluetooth Headset , User Manual , AC Adapter
Specifications 1. high quality sound effect wireless foldable headphone 2.This headset can be fold, easy taking everywhere. 3.Remote control high quality universal stereo wireless bluetooth headphone foldable neckband bluetooth headsets for iphone, ipad, tablet pc Features: 100% Brand New.Weight: 71g2.4GHz Wireless Bluetooth Stereo Headsets Headphones For PDA, Bluetooth cell phoneWireless listening stereo musicWith Hi-Fi Sound, high quality sound effectRemote control music playing state (like remote control of music playing, stop, last/next choose, and volume+/-High fidelity, omini-directional design of microphone, with clear voice no echoThis headset can be fold, easy taking everywhere. Specifications: Frequency: 2.402GHZ~2.480GHZBluetooth: Version 1.2 Class 2Bluetooth Profile Supported: Headsets hands free profile A2DP and AVRCP 10 MetersCharging time: 3 hoursMusic listening time: 7 hoursStandby time: 140 hoursBattery: 300mA/h rechargeable Li-polyme
Specifications Fashion Wireless Stereo Earmuff Bluetooth Headphone With Microphone BH18 1.Bluetooth version:V2.1,Class II Fashion Wireless Stereo Earmuff Bluetooth Headphone With Microphone BH18 ModelFashion Wireless Stereo Earmuff Bluetooth Headphone With Microphone BH18 ColorBlack+Silver/Black+RedBluetooth versionV2.1,Class IISupportHeadset,Headsfree,A2DP,AVRCPFrequency Band2.4GHz to 2.4835GHz,ISM BandPower Supply5V DC,100 to 240V AC adapterStandby time1200HoursTalk time54HoursUsedFor Tablet/Mobile phoneOEMWelcome
Model Number: MH547 Style: Headband Communication: Wireless Use: Portable Media Player Function: Noise Cancelling Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: / Delivery Detail: 2-10 days after payment confirmed Specifications H-905i Stereo Bluetooth Headset Headphones: Noise cancelling microphones:8 For:Music/Mobile calls/VOIP calls with PC/Gaming BH-905i Stereo Bluetooth Headset Headphones - Active Noise Cancellation Features:Light weight and comfortable to wear Superb sound quality Great looking design Non-intrusive noise cancellation that works Wireless and wired connectivity options Built-in mic for handsfree phone calls Plenty of bundled adapters and cables Outstanding sound quality with 8 microphones providing up to 99% background noise cancellation Use BH-905i for:Music/Mobile calls/VOIP calls with PC/Gaming Specification: Background noise reduction:99% Noise cancelling microphones:8 Noice reduction microphones for sp
Specifications 1.Small cool wireless bluetooth foldable headphones 2.FM function 3.Micro SD card reader function 4.MP3 automatically play Small cool wireless foldable bluetooth headphones (GX-288) Specifications: * Ear hook and folding MP3 bluetooth headphone * Multimedia Computer Headphone * Compatible with all Bluetooth cellphones * Enjoys wireless connection via an Bluetooth * Works well with Skype, MSN, and VoIP * Crystal clear sound can thoroughly release your hands to enjoy your work * Play high quality MP3 from TF cards * Hi-fi sound & FM function * Wired & Wireless headphone * Listen to MP3 music from Nokia mobile phone * Listen to stereo music from PC * Line in & line out function * Portabl
Brand Name: HR Model Number: SP-02 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Portable Media Player Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: China (Mainland) Name: Bluetooth headphone, wireless headphones, foldable headsets Material: PLASTIC+RUBBER+STEEL CHARGE INPUT VOLTAGE: DC 5V BY MICRO USB CHARGING TIME: ABOUT 3.5 HOURS BATTERY: Rechargeable 380mAH Li-polymer battery TALK TIME: UP TO 11 HOURS PLAY MUSIC TIME: UP TO 10 HOURS STANDYBY TIME: UP TO 250 HOURS SPEAKER IMPEDANCE: 32±15% SPEAKER FREQUENCY RANGE: 20~20KHz Packaging & Delivery Packaging Detail: Packing for Bluetooth Headset China:1pc/black bag Delivery Detail: 10-20days Specifications Bluetooth headphone, wireless headphone, foldable headsets 1.Bluetooth 3.0+EDR 2.Hands-free call 3.Portable. foldable Bluetooth headphone, wireless headphones, foldable headsets: About the speaker: This headset offers great sound, comfort and mobility. Easily make
Specifications 1.high-definition surround sound 2.noise-isolating ear buds 3.Low price from Factory... Function: Bluetooth Sport Stereo Wireless Bluetooth Headset Headphone For iPhone 4 4s Features:Switch from music to calls with the press of a button Integrated touch sensitive controls Behind-the wearing style helps provide a comfortable and stable fit Water and sweat resistant Enjoy up to approximately 4 hours music listening, 4 hours talk or 6 days standby time from a single charge 160 mAh lithium-ion rechargeable battery Version 2.0 Bluetooth wireless technology for better call quality, less interference and faster connections Class 2 Bluetooth wireless technology range up to 10 m (33 ft) Mini USB connector for charging Specifications:1. Bluetooth version: Version2.0/Class2 2. Operating Distance: 10 Meters 3. Range of Frequency: 2.4GHz-2.4835GHz ISM Band 4. Operating Rang: Up to 10 Meters 5. Typical Talk Time: 4 hours 6. Typical Standby Time: 160 hours
Brand Name: Willong Model Number: EARN0765 Style: Ear Hook Communication: Wireless Connectors: 3.5mm Use: Portable Media Player Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) color: white type: bluetooth Standard: V2.0/V2.1+EDR Button/Switch: Multi-Function Button, Volume Up/Down Call duration: 2 hours Standby time: 100 hours Battery specifications: Lithium-ion polymer battery 041515 45mA Colours: silvery + black, golden + black Packing: Neutral colour box, OEM packing Frequency Range: 2402-2480MH Packaging & Delivery Packaging Detail: 1pc/PE bag paper case /plastic case Delivery Detail: 3days-7days Specifications bluetooth headphone 1.type:ear hook 2.function:stereo and bluetooth 3.Standard:V2.0/V2.1+EDR CE/RHOS/FCC willong quality worth to rely on !!! unbelievable design!!! fish spear bluetooth headphones with ear hook &n
Style: Headband Communication: Wired Connectors: USB Use: computer mp3 phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) clour: black blue pink orange white red Packaging & Delivery Packaging Detail: gift box carton box Delivery Detail: within 3 days Specifications 2013New desigh bluetooth headphone 1; 2013 New desigh bluetooth headphone 2; Best prices 3; Good quality AAAContacts: Contact Person: Mia YuSkype: mia20131411MSN: YU Mia 2013 New desigh bluetooth headphone Premium quality, Best priceOrder it quickly, or you will miss it. Bluetooth version : Bluetooth v3.0+edr Volume Control : support Bluetooth Protocol : Support a2dp, avrcpValid Range : 20 meters Charge type : usb5pin socket charging Working Hours : 18 hours Standby time : 380 hours Product show :
Specifications Manufacture Design NEWEST on-ear Executive headphone with High Quality and noise cancelling bluetooth headset we supply the sm Advantages of our factory 1 We are premium manufactory, specializing in combine this items for more than 10 years2 Skillful workers and efficient management ensure good quality and fast delivery3 Professional team and experienced staff supply you the top service4 Rapid response is our working standard Specification 1.Bluetooth V3.0+EDR compliant handsfree bluetooth headset with high voice quality 2.Small size and comfortable design3.Lowest power consumption, over 3hrs of talk-time4.Supports Bluetooth Headset and Headset, Hands-stereo6.Charger adapter Output: DC 5V&200mA7.Charging time:Max 1.5 hours8.Talk time: Up to 4 hours9.Standby time: Up to 80 hours9 model : cote-A0876 Accessories * ear hook* Clip* User's Guide* Charger* Packing* Earplugs* A pai
Specifications *fashion bluetooth headphone buletooth headset for iphone *color:black or white *for iphone,nokia,sony mobile phone SPECIFICATION: *iphone mini*cable line :10 (cm)distance :10M CALL time :4 hourscharging time :2-3hourscolor : blakc or white
Specifications 1) bluetooth headset help you enjoy music wirelessly 2)Support FM, can receive high-quality stereo radio. 3)support TF card Specification of Bluetooth headset(YP-701)1) Bluetooth version :V2.1+EDR 2) Operation distance:10m 3) Range of frequency:2.4 to 2.4835GHz ISM band4) Sensitivity:85dB Specification Of MP3/FM1) PC interface: USB2.02) Music format: MP3 /WMA 3) TF card support :128M-32GB4) FM frequency response: 87.5-108MHZ5) Rechargeable lithium battery:350mAh Specification Of Headphone1) Type: stereo headphone with MIC 2) Speaker : φ40mm3) Sensitivity: 115Db S.P.L at 1K
Specifications bluetooth headphone 1.Bluetooth stereo head set let you listen to music or phone calls wirelessly 2.High-quality speaks delive bluetooth headphone 1.Bluetooth stereo head set let you listen to music or phone calls wirelessly2.High-quality speaks deliver crisprich sound3.Accept incoming calls or toggle between tracks with the touch of a button4.Lightweight,comfortable design for all-day listening.5.Compatible with bluetooth enabled devices, such as IPHONE,IPAD,most computer,cellphones6.Frequency response:20-20,000Hz7.Speak Impedance:32 ohm8.Omni-directional high quality microphone9.Sensitivity microphone10.Transfer Distance:33FT/10M11.Frequency:2.4GHz12.Technology:Bluetooth V3.0+EDR13.Easily charge via USB port14.Play/Talk-10Hrs15.Low battery notification
Specifications 1 Overhead Bluetooth earmuff 2 Weighing only:123g 3 Patent Pending 4 OEM design available 5 365 days warranty Knitted Winter Bluetooth Earmuffs for Bluetooth smartphones Knitted Winter Bluetooth Earmuffs/ bluetooth headphone, wireless headphone Ear muff Introduction :Bluetooth audio earmuffs allows you to listen to your music wirelessly, while keep you warm and fashion in winter.Back head and overheas for your option Customized design are acceptable Pantent pending Microphone is availableMaterial: 50% Acrylic+ 50% Polyester The innovational item make you get your tunes while keeping your ears nice and warm in winter.Compatible with all bluetooth mobile phones.Specification: Bluetooth audio earmuffs allows you to listen to your music wirelessly, while keep you warm and fashion in winter.Back head and overheas for your optionCustomized design are acceptablePatent pendingBattery life: Until 12 hours/ Battery duration on standby: until 10 daysChar
Specifications Specifications 1. High-grade headphone with great timbre and quality 2. High-class and fashionable design 3. Graceful timbr Specifications1. High-grade headphone with great timbre and quality 2. High-class and fashionable design 3. Graceful timbre, enjoying musicHigh-grade headphone with great timbre and quality Feature: New designFoldaway headphone could be convenient to your take in any place.Stylish design and good quality Specification: Drive Unit: 40mmFrequency range: 20-20KHzImpedance: 16ΩSensitivity: 108±3dBRated Power: 10mWMaximum power: 30mWLink line:  
Specifications 1. Bluetooth headphone for Iphone 2. OEM&ODM is welcomed 3. High quality with ABS+PVC 4. Pass CE, Rohs Specification Frequency range2.4GHz-2.48GHzTransmission powerClass 2Transmission distance10MOperating voltage3.6VOperating current35mAStandby current2mACharger powerInput 100~240V AC, Output 5V DCWorking temperature-20°C~60°CNo working temperature-20°C~60°CCharging temperature0°C~45°CCharging time2 hoursTalking time6 hoursStandby time120 hours Bluetooth headphone 1. Transmission distance: 10M 2. Support AVRCP 3. High Capacity Lion Battery4. Talking time: 6H5. CE.ROHS.FCC and BQB Approval6. Bluetooth Version 2.1+EDR7. Supports AVRCP, HSP and HFP8. Noise Cancelling Function Bluetooth Headset9. Extremely good quality, superior clear voice10. Head Wearing design With Microphone11. Hands free, compatible with all Bluetooth Devices such as PS312. High Capacity& Rechargeable Lion Battery13. Automatic
Specifications Hands-free call,built-in Mic Support TF card Wireless bluetooth handphone headphone for ipone 4 iphone 5 MP3 player iphone 5 headphone / bluetooth headphone / hot product 2013 Function: 1.Extreme comfort from adjustable head band and earplug. 2.Embedded microphone for hands-free conversation from Bluetooth-enabled mobile phones. 3.Pause the music & Play back automatically when receives an incoming call. 4.Support remote control of play/pause, previous/next track, volume up and volume down. 5.Call transfer between the headset and Bluetooth mobile phone. 6.Built-in rechargeable lithium battery. 7.Support TF card and FM radiion. Technical&nb
Brand Name: JQX Model Number: KST-670B-2 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Computer Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) suit: portable media player/mobile phone/computer/mp3 Packaging & Delivery Packaging Detail: Paper box Delivery Detail: 1~5 days delivery after confirm the payment Specifications KST-670B-2 wireless headphone 1. Stereo effect 2. High quality products 3. MOQ: 1000/pcs 4. T/T,Western Union Best wireless bluetooth headphone/headset KST-670B-2 Function: 1. Wireless listening function: It can received the sound wirelessly from any electronic device with audio output, such as TV, PC, DVD, VCD, MP3, MP4 and CD player2. FM radio: The headset can be used as FM radio separately, search and lock channels aotomatically Specification: 1. System : VHF/RF2. Modulation: FM3. Mode: Mono4. Operation distance > 30 meters(360 degree)5. Signal-to-Nois