This portable white noise machine with a rechargeable battery and a light weight. Battery-powered enjoy hassle-free use and storage without tangled wires. You can use it anywhere in your room, in the yard, in the car or outdoors, which no need to hunt for outlets or worry about the cord length. Take it on the go and carry sounds wherever you are.

• 32 Soothing Sleep Sound: The mini sound machine has white noise, brown noise, pink noise, 5 fan sounds, 4 lullabies and other relaxing natural sounds. The brown noise machine can effectively buffers outside noise disruption from loud neighbors, snoring partners, street sound, and chatty coworkers, create an ideal environment for your better sleep, relaxation and concentration.
• Easy to Use: This white noise machine features a very simple and intuitive button layout, with three buttons corresponding to different category lists, designed for easier operation. Meanwhile, the 45° tilt design enhances comfort during use. It is suitable for all ages, whether children or the elderly.
• 36 Adjustable Volume: The white noise sound machine for sleeping offers 36 different volumes that you can easily adjust the levels of volume changes with just a button to meet the needs of a variety of scenes, perfect for improving sleep quality, comforting babies, relaxing mood, protect your speech privacy in office and blocking annoying noise.
• 4 Timers and Memory Function: The sleep machine can be set with 30 min, 60 min, 90 min or continuously play. Besides, the previously set volume level, timer and sound will be remembered when next turn on the device again, so you don't have to press buttons all the time.