1. Input voltage: 9v 3.5A
2. Transmission power: 5w--7.5W--10W
3. Mobile phone output current: 5V/1A 9V/3.5A
4. Watch output current: 5V 0.4A
5. Transmission distance: 2mm-10mm
6. Charging efficiency: 73%
7. Appearance color: white
8. Program: independent development
9. Working frequency: 100-205KHZ