[Compact & Easy to Use] -Designed for all sleep needs, this sound machine comes with favorable features: 30 soothing sounds, sleep timer, various volume levels and Bluetooth functionality! Not only relax your mind and relieve stress, but also creates a relaxing and comfortable sleeping environment. [More Sounds Choice] -Features total 30 soothing sounds - 10 white noises, 10 fan sounds and 10 nature sounds ( Rain, Sea waves, Brook, Bird, etc.) helpful for sleeping, relaxing and working. [Auto-Off Sleep Timer]-Set the sleep timer to 15/30/60 or 90minutes. Non-stop playing or using timer on it. It's good for taking naps, relaxation, meditation, concentration while studying and working. [Adjustable Volume Levels]-Easy adjust the volume and sound even on nights when the lights are off (from very low to adequately high) improving sleep quality, concentration and overall comfort by masking disturbing noises. [Bluetooth] -Use Bluetooth to connect your smartphone or tablet and play your favourite music while you are relaxing in yoga, meditation, spas and more! [Compact & Easy to Use] -Designed for all sleep needs, this sound machine comes with favorable features: 30 soothing sounds, sleep timer, various volume levels and Bluetooth functionality! Not only relax your mind and relieve stress, but also creates a relaxing and comfortable sleeping environment.