1.Model: WD03
2.Bluetooth V5.3 chip, high-speed and stable transmission, reduce loss
3.Φ13mm composite film horn, high sensitivity moving coil unit bass thick and powerful, treble clear and bright
4.Music time: 4H
5.Talk time: 3H
6.Charging time: about 2H
7.Battery capacity: 30mAh/300mAh
8.Standby time: about 50H
9.Charging input standard: TYPE-C /5V
10.Support Bluetooth protocol:A2DP、AVRCP、HSP、HFP
11.Frequency response: 100Hz ~ 20KHz