Machine Usb Rechargeabl 10 Sound Therapy Portable Sleep Sound Machine 10 Soothing Sounds: 10 non-repetitive, smooth, natural sounds, including nature sounds and baby lullabies. You can choose your favorite voice to release during busy work, effectively relieving restlessness, tension, and irritability. Timing mode: The white noise machine can play continuously, and you can also set an automatic shutdown timer of 15\30\60 minutes to avoid forgetting to turn it off when falling asleep. With timing memory function, when the white noise machine is turned on again, it will automatically restore your last setting. Safe Mode: Long press the auto button until the white light is on to start the monitoring function. Once there is a baby crying, the white noise machine will automatically make a sound, and the music will automatically turn on and stop after 15 minutes. The detection distance is 6-10 meters. Parenting Helper: White Noise Machine is the sleep noise machine for babies that gives moms more time to do the things they love. For parents of newborns, white noise is an effective sound therapy that can stop a baby from crying. Compact and Portable: USB fast power supply, long battery life, 9.3*8*2.8cm small size, can be easily put into a bag or suitcase, perfect for home, office, car and travel, can be used anywhere, great travel companion . It is the best gift for family, friends and parents of newborn baby.