1. Material: ABS, electronic components
2. Function: battery display, call function, voice control, support for music, multi-point connection
3. Bluetooth version: V5.0
4. Transmission distance: 10 meters
5. Battery capacity: earphone: 40mAh lithium battery, charging compartment: 300mAh lithium battery
6. Charging time: about 1.5H
7. Playing music duration: about 4H
8. CD fingerprint touch design, more convenient operation
9. LED intelligent digital display design, easy to observe the power
10.IPX5 waterproof, more safe and secure
11. Tri-frequency adjustment, bringing a full and three-dimensional listening experience on the spot