Brand Name: GMG Style: In-Ear Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Color:: black, white, pink, green, blue, orange Standby time:: 72-100 hours Memory:: support TF card extend to 8GB maximally Size:: 77*34*12mm SIM:: single SIM card Packaging & Delivery Packaging Detail: Hueway packing, Print tint packing, customized packing, neutral packing Delivery Detail: 3 to 7 working days after the receipt of you payment Specifications 1Color: black, white, pink, green, blue, orange 2.Concept of mobile phone mobile phone pocket Mini mini mobile phone new 2011 Concept of mobile phone mobile phone pocket Mini mini mobile phone new 2011 Basic parametersScreen parameter1 OLED HD full view displayLanguage support simplified Chinese, traditional Chinese, English hot selling bluetooth Ultra Mini Mobile Phone 1.0 inch OLED display screen MP3, FM radio, Bluetooth Melrose M001 Ultra Mini Mobile P
Brand Name: suoyana or OEM Model Number: SL-450 Style: Headband Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: color box Delivery Detail: 10-15days Specifications bluetooth headphone s450 1.Built in MP3 player 2.Support TF card 3.Factory price 4.CE,FCC bluetooth headphone s450 Product Features:Sound quality with super bass speakerColorful ear shells nakes it beautifulOEM & ODM is welcomeadjustable head band and comfortable wearing Best for mp3/mp4, CD, PC/laptopwith in line microphone and volume control Specs: Bluetooth Version2.1 with EDROperating Distance10mBatteryBattery Built-in rechargeable li-on polymer batteryTransmission powerclass 2Charging PlugA/C chargerMusic StreamingYesMulti-function Button On/OffYesStandard
Specifications bluetooth headphone 1.Equipped with Hi-Quality driver units. 2.High quality and competitive price. 3.contact me:cn1001281205 bluetooth headphone cheap wholedale, free shipping More details 1.Funky and novelty earphone help you get enough attention!2.Hi-Fi sound quality Earphone!3.our earphone stereo earphone deliver outstanding sound into your ear.4.our earphone create deep bass response and extended treble for lifelike sound performance you've never experienced.5.The compact and elegant design provides a stable and comfortable fit. Features: 1. Various shape,color, material, and designs. 2. Fashion design is welcomed. 3. Trial order is acceptable. 4. Best quality and Competitive price 5. Delivery time: 7 weekdays 6. Excellent service after selling 7. Package: accord
Specifications Newest bluetooth headphones wireless 1.stereo bluetooth Headset 2.Tramission distance: Max.20M 3.Sound-Proofing 4.Good servi Newest Stereo Bluetooth Headset1.stereo bluetooth Headset2.Tramission distance: Max.20M3.Sound-Proofing4.Good service DT120s Bluetooth Headset Technical parameter and specification:
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; &
Model Number: SQTD-928 Style: Headband Communication: Wireless Connectors: 2.5mm Use: music Function: Bluetooth,Waterproof,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Specifications bluetooth headphone 1.Bluetooth function 2.Play music from memory card 2.Wireless/Wired 3.High stereo Features: 1.)Hi-Fi sound and reliable quality 2.) Strong bass generated from powerful driver 3.) High rated power and great sensitivity response 4.) Their uniquely contoured body allow for a 180 degree offers ergonomic comfort and noise isolation better than standard headphones 5.) Stylish color design with mic and volume controller 6.) OEM and ODM orders are welcomed 7.) Packing: gift box and PP/PE bag, blister, clamshell, case and more.All depends on your requirment. Specification 1. Correspond With:V3.02. Support:HSP, HFP,A2D
Model Number: R-008L Use: Portable Media Player Function: Bluetooth Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: Blister package Delivery Detail: 25 days Specifications Sport Bluetooth Heaphone support TF card 1, MP3 music from TF MicroSD card or mobile phone(AUX Audio); 2, Support TF MicroSD card up to 32GB; &nbs
Brand Name: OEM Model Number: FM-BT03 Style: In-Ear Use: Mobile Phone Function: Bluetooth Place of Origin: China (Mainland) Packaging & Delivery Packaging Detail: Blister Package Delivery Detail: 2 weeks Specifications Bluetooth Headset 1.Noice & Echo cancellation 2.8 Hours Talking Time 3.10 Meter distance 4.180 Hours Stand By Time Bluetooth Headset FM-BT03Noice & Echo cancellation, 8 Hours Talking Time, 10 Meter distance, 180 Hours Stand By Time Bluetooth specification: V2.0 versionBand: ISM 2.402-2.480GHz) RF output power: -6 ~ +4 dBm RF sensitivity:>-75dBm Effective distance: 10 MTalk time: 480 minutes Standby time: 180 hours Battery: Rechargeable lithium batteries Power Transmission: SBCMax200kbps, 48.000kHz, 16bit Quality specifications: mono Temperature range: -10 to 45 degrees Celsius Audio output: (RL = 32ohm) 2.5mW Audio range: 20 Hz ~ 22kHz Charging time: (2 ± 0.5) hours Configuration: Bluetooth headset / charger / brochures / 2 panels can b
Specifications 1. TF card audio headphone 2. Support date download from computer to TF card 3. foldable design 4.Chargeable lithium battery HEP-001 TF Card Audio Headphone 1. TF card audio headphone 2. Support date download from computer to TF card3. foldable design4.Chargeable lithium battery Specifications: HEP-001DiscriptionTF Card Audio Headphone - Back-neck, foldable design- Support TF card for MP3 formatSupportLaptop, PCImpedance32ΩCharging powerUSB 5.0VFrequency response40-17K HzCharge time≤1.5 hoursMax working current55mALithium batteryBuilt-in 300MAH c3.7V rechargeableS/N Rotio≥60dbCharging current500mATrack Isolation≥50dbCord plugUSB A maleColorMultiple colorsDimensions54x47x16 mm(Single Earplug) Packaging: PackingHEP-001Each Set in paper box CTN:40pcs SIZE(L W H)(CM)52.524.541.5CTN CBM:0.0534 CBM -10Kpcs:13.3448 N.W.6.50kgs G.W.7.00kgs Leading Time:Lead time:
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
Brand Name: GMIL Model Number: BSH02 Style: Ear Hook Communication: Wireless Function: Bluetooth,Microphone Place of Origin: Guangdong China (Mainland) Specifications Bluetooth Headphone with Microphone Bluetooth Headphone - Wirelessly play/pause/skip music tracks and control volume with headset buttons- Answer calls with the built-in microphone- Driver Diameter: Φ 40mm- Maximum Power Input: Left 20mW, Right 20mW- Power Source: Built-in Rechargeable battery (330mAh, 3.7V) or via USB cable- Charging Time: approx. 3 hours- Talking Time: approx. 7 hours- Working Time: approx. 8 hours- Standby Time: approx. 50 hours- Bluetooth Version: v2.1+EDR- Available Color: Black, White, Blue, Red
Specifications Wireless Bluetooth Headphone 1.Transmitting Power: Class 2 2.Working Distance Range:10m 3.Color: Black SX-910A Wireless Bluetooth Headphone/Headset (C01478) Features:1.Headset Profile,Handsfree Protile and Advanced Audio Distribution Profile(A2DP)2.Transmitting Power:Class 23.Working Distance Range:10m4.Frequency Range:2.4026GHz-2.480GHz5.Charge Time:≤3 Hours6.Talk Time:≥10 Hours7.Listen Time:≥6 Hours8.StandbyTime:≥135 HoursPackage included:1 x user manmal1 x SX-910A Wireless Bluetooth Headset1 x Charger1 x USB 1.Ship from New Jersey:Fedex,UPS,USPS2.Ship from China:DHL,UPS,EMS,Hong Kong post3.International Buyers – Please Note:As a buyer, it is your duty to pay the tax when you make an order from abroad. Our price does not include taxes, VAT, or other hidden charges. Skin
Brand Name: Avantree Model Number: BTHS-849-BLK Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Specifications 1. high quality for music and calls 2. 18 hours music time 3. Wired option for low battery use 4. comfortable wearing Avantree Hive is a Bluetooth stereo headphone with MIC from the Avantree family. It delivers clear voice transmission for phone calls and high quality sound for music. And with 3.5mm audio jack, it provides corded option for non Bluetooth-enabled phones, MP3 players, etc. The Avantree Hive is stylish and comfortable for all-day comfortable use. * Bluetooth stereo headohone with mic* Enjoy wireless music and answer phones calls in crystal clear stereo sound.* Corded option for non Bluetooth-enabled phones, MP3 etc.* Long working time - up to 18 hours music / talk time.* Auto-connection, easy to use.* Comfortable wearing and secure ca
Specifications Bluetooth headset with microphone; 1.top quality 2.Best price 3.OEM service 4.offer all bluetooth headset 2013 New Bluetooth Headset With Microphone Wireless bluetooth headsetWireless MP3 player headsetMobile phone call recorderHands free phone callStereo bass sound listening musicOffer all kinds of bluetooth headset Feature Frequency:2.401-2.480GHzBluetooth:Version 1.2 Class2Bluetooth profile supported:Bluetooth headphone,bluetooth hand free ,A2DP&AVRCPDistance coverage:10metersFrequency response:20HZ-20KHzSensivity:<0.1%BER at-80dBmRF output power:-6dBM to 4dBmMusic listening time:about 6hoursStandby time:110hoursBattery:3.7v/260mAh rechargeable Li-polymer,BatteryPower:Input AC 100-240V,DC 5V mini USB plugsOperating temperature:-10-55degree 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.
Specifications 1) Stereo Four Channels sound Bluetooth Headset 2) Multi Connection HF710 3) New Wireless bluetooth Headset 1) Stereo Four Channels sound Bluetooth Headset 2) Multi Connection HF710 3) New Wireless bluetooth Headset 4) Most Advanced & high definition YET5) Bluetooth Version: V4.0 EDR Class II6) Frequency:2.4ghz-2.48ghz7) Profile suported: AVRCP A2DP Headset Hadsfree8) Chipset: CSR BCB6459) Operation Range:>10meters10) Talking time: >7hrs11) Music Playing time>5hrs12) Stand by time: >220hrs13) with CF ROHS etc certificate
Specifications 1)New Bluetooth Headset 2)Bluetooth V2.1 3)Beautiful,Stylish design 4)Small, light weight New Bluetooth Headset Technology ParameterTechnical standards: Bluetooth version V2.1Transmission products: 10 mSize: Length: 51mm Width: 16mm thickness: 5mmWeight: about 10gTalk time: 4 hoursStandby time: 100 hoursBluetooth headset features:1)beautiful, stylish design2)support all Bluetooth devices3)clear voice4)less interference, confidentiality, and then hang up, redial, reject a call, mute function, Last number redial
Model Number: Bluetooth Headset BH320 Use: Mobile Phone Place of Origin: China Usage: Mobile Phone Packaging & Delivery Packaging Detail: Retail packing Delivery Detail: In 2 days Specifications 1) Bluetooth version: 1. 2 2) Frequency: 2. 4ghz 1) Bluetooth version: 1. 2 2) Frequency: 2. 4ghz 3) Operation range: 10m (33ft) 4) Talking time: Up to 6 hours 5) Standby time: Up to 200 hours 6) Charging time: 2 hours 7) Battery: Rechargeable Lithium Polymer 8) Support profiles: Handsfree and headset 9) Security: pairing, Encryption, Authentication 10) Chipset with echo and noise cancellation software 11) World class audio quality in even the noisiest environment 12) Quicker connection and reduced interference 13) Compatible with any brand bluetooth 1. 2 or 1. 1
Brand Name: www.mobilemates.com Model Number: M-HPhone-1010B Style: Headband Communication: Wireless Connectors: Other Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Condition: brand new, high quality Quality: very good Service: OEM Packaging & Delivery Packaging Detail: Retail Package Delivery Detail: 3~5 days Specifications 1. Headphone; 2. High Quality; 3. Dropship, OEM; 4. New Arrival; 5. Factory Price. Bluetooth Headphone Bluetooth Wireless Headphone Stereo & Line-In Headphone With Mic Bluetooth Earphone Allow you to enjoy digital quality music wirelessly and convert between music and phone calling mode freely;Support iPhone&iPad;Receive high auality stereo radio;Support bluetooth stereo decices to receive A2DP stereo music from laptop computers,desk computers,table pc,iPhone,blackberry,bluetooth adapter,mp3 player or anyother device that supports bluetooth stereo audio;Professionally tuned for superior acoust
Specifications stereo sports bluetooth headset can answer call and mp3 playerChipset CSR BC5 Frequency ISM 2.4GHz Bluetooth Verion V2.1+E sports stereo bluetooth headset can receive call and answer call mp3 play bluetooth headphoneProducts Pictures Products Description Technology Description Chipset CSR BC5 Frequency ISM 2.4GHz Bluetooth Verion V2.1+EDR Profiles A2DP1.2,AVCP1.0,HSP1.0/HFP1.5 Working Time 6h Waiting Time 200 Charging Voltage 5V+/-5% Battery Li-ion501235,150mA Charging Time 3h 1 Sports Stereo Bluetooth headset.2 CVC made Talking Clear;3 This lightweight and discreet headset lets you wirelessly control your music and your calls using the integrated touch controls on the sides of the headband.4 The behind-the-head wearing style is both comfortable and stylishCompany Profile WINAIT TECHNOLOGIES LIMITID, the manufacturer of digital camera and video camera for more than 13 years, our factory have more than 1000 employees, and our products contain digital came
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. Classic headphone with new design 2. Strong bass and clear sound quality 3. Metal ear cup decoration part NEW STERO METAL WIRELSS BLUETOOTH HEADPHONES FOR LAPTOP!! Product Specification:Super stereo music Crystal clear sound (black, and white, yellow, blue, multi colors)1.Correspond with V2.1+EDR 5.Working distance range:10m &
Brand Name: Songman Model Number: BT07-BB Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Usage: mobile phones Color: Black, white, blue, green, red, yellow Sound output: high-end profeesional Working Distance: 10 meters Input Voltage: USB 5V Battery: Li-battery Package: With high-end window box Packaging & Delivery Packaging Detail: Giftbox, window box, blister box Delivery Detail: 30 days Specifications 1 Hottest High Quality Music Stereo Bluetooth Headset 2 Elegant Fashion Design 3 High Acoustic Fidelity 4 CE/RoHS/BQB Features: 1.Easy to use,have normal stereo headphone version and bluetooth headphone version.2.Built-in 350am lithium battery, connect USB cable to charge Bluetooth headsets can work with bluetooth enabled devices such as mobile phone, Laptop, PC, & PSP , Table etc.We are professional and quality stereo headphone and bluetooth headset manufacturer, especially
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
Brand Name: wonderhuge Model Number: WH-E68 Style: Ear Hook Communication: Wireless Connectors: USB Use: mobile phone, computer Function: Bluetooth Place of Origin: Guangdong China (Mainland) color: silver, red Packaging & Delivery Packaging Detail: 1 unit in a gift box and Delivery Detail: 7-20 days Specifications 1. stereo bluetooth headphone with micro sd slot 2. built in mp3 player 3. talking freely on phone 4. used as wired headset 1. Product name: stereo bluetooth headphone with micro sd slot 2. Features:Talk on phone wireless via bluetoothHands free functionEnjoy music from mobile phone wirelesslyBluetooth receiving up to 10 metersIntegrated MP3 player to play by inserting micro sd cardAvailable for computerBuilt-in Li-ion battery supporting long time playingused as wired headset 3. Specifications:Bluetooth:Bluetooth Version: V2.0Talking time: 15 HoursStandby time: 240 HoursPower supply: DC 5VOutput power: 20mWRF: 2.4GHz GFSKBattery: rechargea
Specifications Handswriting pen bluetooth headset The BT Mini Phone is a handy handset that pairs up with your mobile, so that you ca Handswriting pen bluetooth headset
Brand Name: cifeng Model Number: v2.1-x8 Style: In-Ear Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) color: black white Packaging & Delivery Packaging Detail: Conventional packaging (color box and plastic) Delivery Detail: 2-5 working days Specifications 1.Bluetooth headset V2.1-X9 2.working distance: 10m 3.good voice Operation range: Up to 10 metersBluetooth version: V2.1Comfortable ear hookSolution: CSRTalk time: Up to 3 hoursStandby time: Up to 100 hoursWeight: about 10 gramsDimensions:(L)48mm*(W)18mm*(H)12mmBattery type: Rechargeable Poly -Li batteryMultifunction: reject a call, call redial, voice recognition*Universal Micro USB charge port
Brand Name: kamol Model Number: BH-K010 Style: Headband Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth,Waterproof,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) color: black Talk time: 30h Standy time: 600h Packaging & Delivery Packaging Detail: blister card Delivery Detail: 5-8days Specifications Bluetooth headset Blocks 4 times external noise Talk time: 30h Standy time: 600h Charging time: 3 h Waterproof Motorcycle Bluetooth Headset BH-K010/ bluetooth headphones manufacturer Feature: 1. The distance between two motorcyclists who use the motorcycle bluetooth headset can be as long as 100m. The bluetooth headset helps ensure two-way wireless communication between three cyclists.2. The bluetooth stereo headset offers smooth conversation even when the driving speed is up to 120km/hour.3. Wind and rain proof design makes the motocycle bluetooth headset usable in all weather.4. Stereo music/audio
Brand Name: OEM Model Number: HBT07 Style: Headband Communication: Wireless Connectors: 3.5mm Use: DJ,studio/DJ Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Quality: stereo hi-fi output Interface: 3.5mm with microphone Feeling: soft to wear Color: various power: Built-in 350am lithium batter card: Built-in TF card slot radio: FM radio Certificate: CE.FCC.ROHS.6P feature: bluetooth wireless Packaging & Delivery Packaging Detail: Plastic box/piece 60 pieces / Carton Delivery Detail: about 30 days Specifications Colorful bluetooth headphone Wireless headphone Studio headphones DJ headphones CE/FCC/RoHS/6P Colorful bluetooth headphone,wireless headphone and studio headphones Features with FM radio Built-in TF card slot. Built-in 350am lithium battery, connect USB cable to charge. 1.Stereo studio bluetooth headphone2.Can connect with mp3, mobilephones and computers, etc3.Soft leather headband and earpuff, comforta
Specifications wireless/bluetooth headphone headphone,high definitio music/gaming, high comfort experience natuaral quality music Fashionable wireless/bluetooth headphone wireless/bluetooth headphone With it, creat a pure music world wherever you go!!!!!!! You cant just discount it for simply the following reasons: all the insanes of headphone tapping onto itamazing price and quality ratio you cant find elsewheretotally a masterpiece no matter the workmanship or designPopular in EU-US area,leading the latest trend of earphone field Specifications Plug3.5mmImpendance32Ohms+/-15%Sensitivity108dB +/-3dbFrequency20-20000HzCable1 music cable 1 mic cable.Speaker40mm diameterColoryellow, blue, green, Oringe, red, purple, pink Product characteristics OEM & ODM Project acceptableall the portable players compatible various colors for option black
Specifications wireless bluetooth headphones for tv 1.CSR chipset with two microphones; 2.noise cancellation function. wireless bluetooth headphones for tv Item No.HF880size178 x 149 x 70 mmweight155 gBluetooth Standardbluetooth V2.1+EDRFrequency Range2.400-2.481GHzOperationClass 2Bluetooth Modeheadset/handfree/A2DP/AVRCPOperating rangeup to 30 feet (10 metres)Talk Timeup to 18 hoursPlaying Timeup to 10 hoursStandby Timeup to 400 hoursCharge VoltageAC:input 110-240V, DC:output 5.3VSpecial Feature 1TF card is availableSpecial Feature 2The best partner of instrument with Android & IOS system