1. Bluetooth version: 5.3
2. Transmission distance: about 10 m
3. Frequency response: 20hz-20khz
4. Material: Metal
5. Input: DC5V
6. Music time: about 4.5 hours
7. Waiting time: about 120 days
8. Charging time: about 1.5 hours
9. Zinc alloy appearance, custom color matching design.
10. Bluetooth 5.3, lower latency, higher anti-interference, and lower power consumption.