Nuvi app is special designed for a Smart Sleeping Mask Nuvi X7. Nuvi app has 7 smart programs which are Easy Sleep, Deep Sleep Booster, Power Nap, Smart Wake Up, Lucid Dream, Light Energizer and Jet Lag Adjust. It has embedded sound with white noise, Tibetan rain & bowl, binaural beats, zen music and binaural beats mix zen music. Those music can effectively relax your mood induce your sleepiness, quickly lead you onset of sleep and goes into deep sleep phase. In addition, it has happy morning wake up music. Of course, it also supports you to select the music in your mobile phone to play.