Color Changing Light, Soothing Sounds and Audio Input Drift off to a peaceful sleep while gazing at the ever changing color of the Mirage Clock by Northwest. In addition to beautiful colors the Mirage Clock provides soothing natural sounds to promote relaxation and rest. Use the included audio line in to listen to personalized music from a mobile phone, MP3 player, CD player or computer. With multiple light and sound modes finding a customized sleep solution won"t be a mirage you chase in the distance. Color Changing Lighting Cycles through: White, Blue, Cyan, Pink, Red, Yellow, Orange, Green. Natural Sounds for Soothing Sleep: Dawn, Brook, Summer Night, Sea Gull, Birds Singing, Rain. Audio Line In (3.5 mm) for Personalized Sound: Plays music from mobile phone, MP3 player, CD player or computer via internal speaker, Select Auto L/S, L/S or Sound modes to play audio, Connect devices with included 3.5 mm audio cable. Light and Sound Modes: Power ON/OFF: Enable following functions, L/S: Displays Light and Plays Sound until turned off, Sound: Plays Sound only, turns off after 30 minutes, Auto L/S: Displays Light and Sound, turns off automatically and is reactivated by sound (such as clapping) or touching the unit. Auto Light: Displays Light only, turns off automatically and is reactivated by sound (such as clapping) or touching the unit. Sound Controls:, Sound ON/OFF. Sound Select: Allows user to cycle through Natural Sounds, Sound Level: Adjusts Volume.