1. Material: ABS+PC
2. Bluetooth version: V5.3
3. Playing time: about 50h
4. Standby time: about 400h
5. Charging time: about 2.5h
6. Battery capacity: 400mAh
7. Frequency response: 20Hz-20KHz
8. Rated power: 3mW
9. Drive unit: 10mm
10. Input: DC 5V/1A
11. Transmission distance: 10m
12. Memory silicone neckband, full of elasticity, soft and skin-friendly
13. True LCD digital display, the power level is clear at a glance
14. Magnetic fit design, no swing, in-ear physical noise reduction