Model:1983 PlusBluetooth version: 5.2Output Power: 80W3 Playing Mode: Bluetooth/TF card/AUX inFrequency response: 20hz-16kHZSignal-to-noise ratio: 80±2dbBattery type: 3.7VBattery charge time: about 5 hoursPower supply: Type-C 5V/3AMusic playing time: about 8 hours(varies by volume level and audio content)Dimension(H×W×D):260×106×86(mm)/10.2'×4.2'3.4'Weight: about 2.3kg