This sleep sound machine can be played continuously or 1,2,3, 4 hours auto-off timer, it is good for taking naps, relaxation, meditation, concentration while studying and working.  This sound machine is suitable for relieve stress, relax your mind and create a relaxing sleep environment.


BrownNoise Sound Machine 30 Soothing Sounds with 12 Colors Night Light White Noise Machine for Adults Baby Kids Sleep Machine with 36 Volume Levels Memory Function 5 Timers for Home Office Travel (Wood Grain)