Lenovo Outdoor Bluetooth Wireless HIFI Speaker K3 Pro

Bluetooth version: 5.0 1. Metal composite diaphragm, shocking HIFI-level sound quality 2. 360° full-frequency sound field, three-frequency comprehensive balance 3. Strong battery life, listening to music all day 4. High-definition hands-free calling, seamless answering of instant calls 5. Exquisite appearance, quality metal mesh 6. TWS networking couplet, enjoy stereo surround sound 7. Smart compatibility, it can be used with bluetooth 8. Bluetooth transmission distance: 8.-10 meters 9. Waterproof level: 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 14. Charging interface: USB