The beauty of this Audio LED Alarm Clock Bluetooth Speaker And Wireless Charger is that it has multiple functions. Lounge, meditate, and rest with these Sound Waves. For the Bluetooth speaker function, you can briefly press the "+" sign or the "-" sign to either increase or decrease the volume. The wireless charging function allows you to charge your phone. For the alarm clock function, you can press the alarm setting button for 2 seconds to enter the alarm setting and briefly enter the "+" or "-" sign to set the hour and minute step by step. When the alarm rings, the "colorful lights" will be automatically turned on and there will be a piece of music at the same time so you can relax with the rhythm of the sound and softer light. Get the Sound Waves for your nightstand and be at ease to get a good night's sleep. DETAILS: Color box size: 192*123*131mm. Outer box size: 51.5*40.5*41.5CM. Net weight: 18.5 kg. Gross weight: 19.5 kg. Select from various colors.