Bluetooth version V5.3

Transmission distance: 10m

Horn diameter: 52mm

Parameter:4Ω 5W

Diaphragm number: 1

Frequency range: 60-19000 Hz.

Sensitivity : 88dB.

Charging port: type-c

Input parameter DC5V-1A

Battery size: 18650

Capacity: 1200mAh

Play time 80% 6h

Charging time:3-4

Size 87 * 87 * 84.5mm

Waterproofe:IPX4