The electrical parameters are as follows: 1. Working voltage: DC3.7V-4.2V 2. Working current: 20-30mA 3. Continuous use time: 6-8 hours 4. Standby current: <80uA 5. Charging voltage/current: DC5V/1A 6. Bluetooth transmission distance: ≤8 meters 7. Battery capacity: 500mAh 8. Standby time: Approximately 3 months after full charge 9. Comes with a 2-meter Type-C data cable.