Thanks for your visiting our store! Important reminder!!: Please Charging all the time if you want to use the wireless charging function.The built-in battery only enough support for bluetooth speaker more→to play. Function description: 10W wireless charging, atmospheric lamp, bedside lamp, dazzling light effect, Bluetooth audio, speaker playback and Aux, TF, U disk, FM, TWS(This function only applies to Bluetooth mode) mode. Product parameters: 1. Input voltage: 9V2A 2. Wireless output: 5W-7.5W-10W-15W 3. LED power: 2W 4. Bluetooth audio power: 3W 5. Material: ABS+PC 6. Product color: black, white 7. Lighting mode: 10 kinds 8. Transmission distance: 2-6mm 9. Charging efficiency: 75% 10. Working