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