Input voltage/current: 5V-2A 9V/2A 12V- 2A
Output voltage: 15W/10W/7.5W/5W
Watch output power: 2 W (for Apple Watch 1, 2, 3, 4, 5)
Headphone output power: 3 W
Charging distance: 1-8mm
Charging efficiency: 75%
Working frequency: 100-205KHZ
Material: PC+Rubber oil
Interface: Type-C