1. Material: PC+ABS
2. Bluetooth version: 5.4
3. Transmission range: 10 meters
4. Endurance time: more than 8 hours
5. Earphone battery capacity: 200mAh
6. Double noise reduction system, intelligent anti-irritation technology, improve call clarity, call as if face-to-face communication
7. Can be connected to two bluetooth devices at the same time, music and call function switch at any time
8. Graphene bio-diaphragm speakers, three-dimensional surround sound, high-frequency clear and transparent, low and mid-frequency mellow and full-bodied
9. LED high-definition digital display, real-time control of the earphone battery, no need to worry about going out
10. Stable transmission without lag, more stable signal
11. Not into the ear design, comfortable to wear, no burden on the ears