description:Product Information:Compatible with any devices which support BluetoothSuper loud speaker with Basssupports TF/Micro SD card to act as a portable MP3 playerMetal casing for durabilityBuilt-in lithium battery Built in MIC for hand free calling via BluetoothWith sucker stand for car useWith FM Radio FunctionParameter:Bluetooth standard: 3.0Output power: RMS 3W THD=10%Frequency effect: 150Hz-18000HzS/N: ￡80dBIn-put power: DC 5VBluetooth Expansion: Support A2DP、 AVRCP、 HFP、 HSP.Built-in battery: 500mAh lithium batteryRadio frequency: 87.5MHz-108MHzTransmission distance: 10 meters.Size(H*D): 67*74 mmPackage List:1* JY-1 speaker1* Vehicle suction cup holder1* USB charging line1* 3.5mm audio line1* Warranty Card1* User manual1* Retail boxcolor: Blue、Red、Silversize(mm): 74*74*67