ltem description from the seller
Parameters: 1. Input voltage: 5V2A9V2A
2. Wireless output: 5W-7.5W-10W-15W
3. LED output: 5W
4. Bluetooth audio power: 3W
5. Product color: black/white/light gray
6. Lighting mode: 256 kinds
7. Transmission distance: 2-6mm
8. Charging efficiency: 75%
9. Operating frequency: 100-205KHZ
Function: APP smart light, comes with 8 kinds of white noise sleep machine, wake-up light 15W wireless charging Bluetooth speaker, clock alarm clock