Vidonn F1 Open Ear Wireless Bone Conduction Sport Headphones - BlueHeadphones<br>Form  ColorGrey + Royal BlueBrandOthers,VidonnModelF1MaterialABS + Titanium Alloy + TPUQuantity1 DX.PCM.Model.AttributeModel.UnitConnectionBluetoothBluetooth VersionBluetooth V4.1Bluetooth ChipCSROperating Range10m/4inConnects Two Phones SimultaneouslyNoCable Length0 DX.PCM.Model.AttributeModel.UnitHeadphone StyleEar-hookWaterproof LevelIPX5Applicable ProductsUniversalHeadphone FeaturesEnglish Voice Prompts,Long Time Standby,Noise-Canceling,Volume Control,With Microphone,Lightweight,Portable,Invisible Style,For Sports &amp; ExerciseRadio TunerNoSupport Memory CardNoSupport Apt-XYesChannels2.0Sensitivity88+- 3dbTHD5% MAXFrequency Response20Hz~20KHzImpedance8 DX.PCM.Model.AttributeModel.UnitBattery TypeLi-polymer batteryBuilt-in Battery Capacity 180 DX.PCM.Model.AttributeModel.UnitStandby Time7 DX.PCM.Model.AttributeModel.UnitTalk Time6 DX.PCM.Model.AttributeModel.UnitMusic Play Time6 hours DX.PCM.Model.AttributeModel.UnitCertificationFCC,CE,RoHSPacking List1 x Headset1 x Micro USB Cable (50cm)1 x English and Chinese Manual1 x Earbud Tip<br>