1. Bluetooth version: 5.0 2. Usage scenarios: indoor / outdoor 3. Transmission distance: 8-10m 4. Waterproof level: life waterproof 5. Usage time: 6-8h 6. Horn: full-range horn 7. Charging time: 3h 8. Battery capacity: 1200mAh 9. Charging interface: USB 10. Packing list: Host x 1 Chinese and English manual x 1 USB data cable x 1 Certificate x 1
