Bluetooth version: Bluetooth 5.3

Working distance: =10M

Output Power: 5W

Speaker specifications: 52mm

Frequency Range: 40Hz ~ 18KHz

Signal to noise ratio: =75dB

Battery capacity: 1800 mAh 3.7V

Play time: 5 Hour

Charging time: 3 Hour

Power input: 5V 1A

Product Size: 94 x 94 x 48 mm

Product weight: 270g