1. Product Standard: Qi
2. Input: DC5V 1-2A
3. Output: DC5V 500-1000mAh
4. Output Power: Max 5W
5. Operating Frequency Range: 100-200Khz
6. Transfer efficiency: >70%
7. Charging Distance: 2-6mm
8. Material: Black Walnut
9. Size: 100*12mm
10. Weight: 66g
11. Color: Natural Color