Specification:
Bluetooth Version: V5.3
Supported Protocols: HSP, A2DP,AVRCP
Standby Time: 200H
Music Playing Time: 20h (Noise reduction on 15h)
Charging Time: 2h
Charging Voltage: DC 5V
Bluetooth Operating Frequency: 2.402G-2.480G
Ambient Temperature: -20/+65°C
Transmission Distance: 10m
Battery Capacity: 300mAh/3.7V