| Bluetooth version: | 5.3 (Bluetrum5636F) | |
| Supported protocols: | A2DP/AVRCP/AVCTP and AVDTP | |
| Battery Capacity of Single Earbud: | 30mAh * 2 | |
| Battery Capacity of Charging Case: | 350mAh | |
| Diameter of drive units: | 10mm | |
Working hours: | Play time 3~4h, Charging time 1h,Standby time: 100h | |
| Frequency response range: | 20Hz-20KHz | |
| Maximum transmission distance: | 15m |