TNB 20W Bluetooth Sound Bar Part No: SBBT1 Techical Specifications: Definition: 2000mAh lithium battery, USB DC 5V / 850mA Output current type: 3h Series: SOUNDTECH Connectivity: Bluetooth Product dimensions (W x H x D): 366*61.5*61.5mm Weight (g): 790g Peak power (W): 20W Peak Power