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
