1. Small size, easy to carry 2. Ergonomic design, comfortable to wear 3. The screen display battery is more convenient 4. IPX5 waterproof function 5. Bluetooth version: 5.0 6. Working range: connection within 15m 7. Music time: about 4-6 hours 8. Charging voltage: 5V 9. Headphone battery capacity: 40mAh 10. Battery capacity of charging compartment: 300mA
