Kruger&Matz Music Box GO!

Power: 8 WImpedance: 2.8 OhmFrequency response: 50Hz ~ 18kHzS / N ratio: > 80 dBSpeaker: 2 x 4 "FM frequency: 87.5 - 108 MHzBluetooth: 5.0Supported formats: MP3TWS function (connect two speakers together)Inputs / outputs:USB 2.0 port1 x microphone input (6.3 mm jack)AUX input (Jack 3.5 mm)Micro USB socketMicro SD slotPower supply: 5VBattery: 3.7 V / 1800 mAhDimensions: 307 x 142 x 145 mmWeight: 1.4 kg