1. Bluetooth specification: V5.3
2. Wireless transmission range: 10m
3. Battery capacity: 1200mAh
4. Built-in voltage: 3.7V
5. Play time: about 2 hours
6. Speaker specifications: 57mm
7. Speaker power: 4Ω/8W
8. Charging: 5V/500mA
9. Bluetooth connection, automatic shutdown if no connection
10. Incoming calls can be answered hands-free with one click, easy to operate
11. Support FM radio/USB, TF direct reading
12. With colorful LED lights, supporting TWS couplets