1. Input voltage: 9V 1.67a           

 2. Output power: 10W 7.5w 5w            

 3. Output current: 9V 1.55a           

4. Transmission distance: 5-10mm                

5. Product specification: 81*90*120MM     

 6. Packing specification: 123*94*102MM        

7. Bare weight: 136g            

8: packing weight: 180g                   

 9. Charging efficiency: 73%              

10. Appearance color: black red silver            

11. Solution: Independent research and development           

12. Frequency of 100-150 KHZ 
13 material: ABS         

14. Interface: micro
15. Watch output: 5v0.35a  
16. Apple watch 7000/361l does not support (neither does the market)