Specifications:  

Product standard: Qi standard  

Mobile phone wireless charging power: 10W  

Wireless headset charging power: 5W 

 Wireless watch charging
power: 5W  

Input voltage / current: 5V-2A/9V-2A  

Charging voltage / current: 5V-1A/9V-1.2A  

Charging frequency: 110-205KHz  

Charging distance: less than 8mm  

Charging efficiency: more than 73%