Awei A100BL
Specification:
Bluetooth Version: V5.3
Profile Support: A2DP/AVRCP/HFP/SPP
Talk Time: 6 hours (light on)-11 hour(lights off)
Music Play Time: 7 hours (light on)-12 hours(lights off)
Charging Time: 2.5 Hours
Charging Voltage: 5V
Frequency Range: 2402MHz-2480MHz
Ambient Temperature: -20/+65°C
Transmission Distance: 10m
Battery Capacity: 400mAh