• Wireless Charging function is only for Those devices that supports wireless charging• It has a power button for long-press to turn on or a short press to control the light.• You can switch between Bluetooth (BT), Nintendo Switch (NS), and FM modes by long-pressing the function switch, and a short press will pause or play.• You can set a timer for 15, 30, or 60 minutes with a short press, and long-pressing the Bluetooth button enables pairing.• Easily skip to the next song with a short press or decrease the volume with a long press. Similarly, a short press allows you to go to the previous song or increase the volume.• It also includes alarm clock and clock settings.• Wireless Charging Power: 15W• Bluetooth Version: 5.3• Bluetooth Name: BT3401• Output Power: 5W• Bluetooth Frequency: 2.4GHz - 2.48GHz• Transmission Distance: 10 meters• Frequency Sound Range: 50Hz - 20kHz• Signal-to-Noise Ratio of Whole Machine: Greater than 75 dB• Built-in Lithium Battery Voltage: 3.7V• Charging Input: DC5V / 500mA• Product Size: 235 x 80 x 238mm• Product Weight: 770g