1. Independent coils, do not interfere with each other when charging.
2. Automatic power failure after filling to prevent over-charge from damaging the cell phone battery.
3. Compatible with QI standard phone, iWatch and AirPods.
4. Output for phone: 5W / 7.5W / 10W
5. Input voltage/current: 5V-2A/9V-2A
6. Charging voltage/current: 5V-1A/9V-1.2A
7. Charging frequency: 110-205KHz
8. Charging distance: <=8mm
9. Charging efficiency: >=73%
10. Weight: 150g
