1.Product Standard: Qi

2.Input: 5V/2A 9V/1.67A

3.Output: 5W/7.5W/10W

4.Color: Black ,White

5.Material: ABS , Silicone.

6.Working range: 10m 

7.Automatic bluetooth connection: Just open the bluetooth connection on your phone when charging, then automatic connected with the speaker.

8. Wide Charging Area, Built-in 2 charging coils offers more wider charging area for freealignment.

9.Power transform efficiency: >72%