Create a calming environment for sleep or an energizing atmosphere for waking with this engaging combination of light and sound therapy. The iZBT10 features 10 diff erent sound therapy tracks designed to calm your mind, lower your breathing and heart rate, and prepare your body for sleep. You can also select from a total of 11 diff erent 1000 Lux, full-color light therapy and decor lighting modes including 3 designed to align your circadian rhythm at night and 3 to improve your energy levels and mood when you wake up. The iZBT10 features four diff erent audio sources: built-in sound therapy, Bluetooth wireless audio streaming from your mobile device, FM radio and Aux-in jack (aux-in au-dio cable included). Dual alarms let you wake to Bluetooth, FM radio or built-in sounds at separate times. 1 Amp USB charging port to charge mobile devices. Light+ Sound Therapy Features Built-in sound therapy with 10 relax-ing sound modes with Tone Adjust EQ: Zen,Dream Tones, Ocean, Storm, Nature, Heart Beat, Focus (pink noise), Air (brown noise), Quiet (white noise)and Peace (white noise + tones) 11 Light Therapy patterns: Alarm Flash(fl ashing blue lights), Sleep Breath(slow pulsing red light), Sunset (tran-sitioning yellow to red lights), Dawn(transitioning purple to blue lights) Aurora (swirling rainbow spectrum), Calm (swirling red and orange lights) Energy (swirling blue and white lights) Glow (solid rainbow spectrum), Hold(holds last color shown), Pulse (fast changing spectrum) and Lamp (default maximum bright warm white light)