Ujjdwiurgh White Noise Machine, Rechargeable Portable Sleep Sound Machine with Timer for Home, Office, Dormitory

[ SOUND QUALITY] - Enjoy 16KHZ high-fidelity background sounds for a better sleep experience. [COVER UP NOISE, IMPROVE SLEEP QUALITY] - Mask unwanted noise and achieve a peaceful sleep , office, dormitory, baby room, or anywhere else. [THREE TIMER SHUTDOWN MODES] - Set the machine to automatically turn off after 15, 30, or 60 minutes to meet your different needs. [ AND PORTABLE] - Compact size and design easy to carry wherever you . [EASY TO CHARGE,ENDURANCE] - Built-in rechargeable battery with 1-hour charging time and up to 23 hours of use.