Features:Support Bluetooth3.0+EDRAudio sources， hand free kit，TF card support， Volume control， charge indication， status indication.Compact and portable，convenient to carry.Specifications:Color: Red， Purple， BlackBattery capacity: 600MAPower Supply: DC 5 VoltOutput Power: 3WDriver Unit: 40mm， 4ohmsFrequency Response: 100-18KhzPackage includes:1 x Speaker1 x USB Cable1 x 3.5 Audio Cable