MTW-004
1.Bluetooth version:/V5.3 ,Chip: JL AC6983
2.Battery capacity: charging compartment 380mAh, earphone 38mAh
3.Talk/music time: 4 hours standby 150 hours
4.Size: 51*51*21.4mm; total weight: 39.3g
5.protocol support:HSP/HFP/A2DP/AVRCP
