Bluetooth Controller: JL / AC7016C8 

Bluetooth Version: V5.4

Frequency Response: 65Hz-20kHz

Battery: 3.7V / 2000mAh

Rated Output Power: 6W

Maximum Power: 10W

Speaker Unit: 1.75"*1" + 2" Diaphragm

Impedance: 4Ω

Signal-to-Noise Ratio: >75dB

Signal Input: DC 5V 1A

Charging Time: 2-3 hours

Play Time: 5-6 hours (100% volume)

                   10 hours (50% volume)

                   25 hours (20% volume)

Bluetooth Range: 10M

Product Size: 100*70*40mm

N/W: 213G

Waterproof: IPX6

*HiFi premium sound quality.