Waterproof Bicycle Wireless Bluetooth Speakers Support TF FM - BlackBluetooth Speakers<br>Form  ColorBlackMaterialPlasticQuantity1 pieceShade Of ColorBlackBluetooth HandsfreeYesBluetooth VersionBluetooth V3.0Operating Range10MTotal Power6 WChannels2.1Interface3.5mm,USB 2.0MicrophoneYesSensitivity75dBFrequency Response60Hz-23KHzImpedance4 ohmApplicable ProductsUniversalRadio TunerYesSupports Card TypeMicroSD (TF)Max Extended Capacity8GBBuilt-in Battery Capacity 1800 mAhBattery TypeLi-ion batteryPacking List1 x Speaker1 x USB/Audio 2  in 1 cable1 x Manual<br>