Q53

Chip: JL 6973
Bluetooth version: 5.4
Speakersize: 12mm
Profile support: HFP/A2DP/AVRCP
Earphone Battery capacity: 3.7V/2*40mAh
Power bank: 3.7V/400mAh
Charging case : Rechargeable 3times
Earphone chargingtime: 1.0 hour
Case chargingtime: 1.5 hours
Playingtime: 5 hours
Descripción

investigación