Bluetooth version: 5.0 1. Metal composite diaphragm, shocking high-quality sound 2. 360° full-frequency sound field, three-frequency comprehensive balance 3. Strong battery life, music all day long 4. High-definition hands-free calling, smooth response for instant calls 5. Beautiful appearance, high quality metal mesh 6. TWS networking couple, enjoy stereo surround sound 7. Smart compatibility, can be used with Bluetooth. 8. Bluetooth transmission distance: 8.-10 meters 9. Waterproof grade: life waterproof 10. Continuous battery life: about 6~8 hours 11. Speaker: full frequency speaker 12. Charging time: about 3 hours 13. Battery capacity: 1200mAh
