<ul><li>This is a headphone product that combines technology and fashion. It has a very dazzling appearanceand powerful functions, bringing you a beautiful life experience. 1. Bluetooth version: V5.3 EDR2. Battery capacity of charging bin: 300mAh3. Headphone battery capacity: 30mAh4. Charging time: 1-2H5. Standby time: 400H6. Duration: 24hours in total(Cooperate with the charging case)7. Output power of charging chamber: 5V/100mA8. Talk time: 5H9. Working distance: 10-20m (barrier-free straight line)10. Charging interface: Type-C Specifications: 1. Connect immediately after opening the cover2. HIFI sound quality3. Strong endurance4. Comfortable to wear5. Low latency6.Usage: Please read the product book carefully before use.</li></ul>