Description
M39 Description:
Bluetooth version: 5.1
Charging compartment battery capacity: 1200mAh
Working hours: 12 hours
Standby time: 220 hours
Mode of operation: Touch
Waterproof Grade: IPX7
Battery voltage: 3.7V
Input voltage: 5V
Distance: ≥10m
Speaker: 20-20khz
Bluetooth operating frequency: (View phone number)Ghz