1. Chip: Jerry
2. Bluetooth version: 5.0
3. Material: ABS pc
4. Effective linear distance: 10-15 meters
5. Speaker: Imported composite aluminum ring speaker, true copper ring speaker
6. Battery: lithium polymer battery, headset 55mah, charging compartment 400mah
7. Play time: single ear: 7-8H, 6-7H; opposite ear: 6-7H, 5-6H
8. Standby time: 100H for one ear, 60H for ear
9. Full charge time: about 1 hour for headphones, about 2 hours for charging and charging
10. Color: white, black