1. Material: ABS, electronic components
2. Functions: battery display, call function, voice control, music support, multi-point connection
3. Bluetooth protocol: 5.0
4. Channel: stereo
5. Transmission distance: 10 meters
6. Headphone battery capacity: 40mAh x 2
7. Battery capacity of the charging box: 300mAh
8. Standby time: 30 days
9. The charging compartment is made of metal material, which is durable and not easily damaged after oxidation process
10. Large screen digital display, battery level is clearly visible
11. Fingerprint touch, convenient and quick to use
12. Using composite diaphragm, powerful moving coil, equipped with ACC high-definition audio decoding, experience surround 3D sound effects