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USB Sleep Auxiliary Machine White Noise Sleeping Instrument Anxiety Fast Sleep Device Brain Wave Music Improve Sleep Aid Travel Summer Solstice sleep device. This is a noise cancellation peaceful sleep device. Enjoy enjoy a good night's sleep. Small and Easy to carry for travel. 10 kinds of white noise： 1 Wind 2 Birdsong 3 Frogs and crickets 4 Night of cicadas and crickets 5 River flow 6 Fetal heartbeat detection 7 Waterfall 8 Waves 9 Donkey fire in the snowy wooden house 10 Thunder 8 kinds of music tunes：Let the beautiful music accompany you to sleep 1 Music box 2 Wind chimes 3 Piano 4 Water drops and second hand 5 Quiet harp 6 Sea and seagull 7 Guita 8 Harp Multi-color ambient light: multi-color mild ambient light gives you a sense of security 8 light colors can be unlocked with a light touch Timing function：Three-level timing adjustment 90 minutes 60 minutes 30 minutes Touch buttons: Long press to power on Say goodbye to mechanical buttons Finger touch Adjust at your own pace Lightly touch the round button to adjust Solve these problems: 1.Hard to Fall Asleep 2.Frequent tossing and turning 3.Long-term insomnia 4.Immunocompromised 5.Total body relaxation 6.Smooth brain waves 7.Sleep aid theta 8.brain waves are used 9.Improve sleepiness quickly Give you these experiences: 1.Enjoy Sleep 2.Sleep peacefully 3.Warm light 4.Gives you a sense of security 5.Release pressure 6.Enjoy the moment 7.With your new style 8.Get into status at any time