Chess Shape Wireless Bluetooth Subwoofer Metal Mini Speaker

Connection: Bluetooth connection
Interface type: micro USB
Battery capacity: 600mAH
Frequency response range: 80Hz-20KHz
Output power: 3.2W
Signal to noise ratio: ≥ 80dB
Power supply: built-in lithium battery
Playback duration: 6 hours
Extended storage: 32GB
Effective distance: 10 meters
Shell material: metal