White Noise Machine Timer Sleep Sound Machine for Kindergarten Office Travel Black Bluetooth Description: Multi Soothing Sound: The White Noise Machine provides a selection of 10 relaxing white noises and natural sounds (Ocean, Summer Night, Rainfall with Thunder, Dryer Noise, White Noise and Fan Noise), aby create an atmosphere of calm and comfort in the background, making it perfect for babies and adults and blocking out external distractions. Optional 30/60/90 minute timer: You can set a 30/60/90 minute timer or play continuously. which will automatically turn off the device, so you don't have to worry about turning off the device if you fall asleep. Compact and travel size: The small machine easily fits into a purse or backpack, making it very convenient do home, office and travel use. It can create a comfortable and similar atmosphere for better sleep anywhere. With night light: 8 colors of lighting/color gradient, white noise atmosphere lighting, convenient to use at night. Battery and charging: Built-in 1500mAh battery can be used for 5-10 hours. USB port do charging Support laptop, power bank, power adapter charging. Specifications: Material: ABS PC Color: White Size Chart: Size: 100x98x54mm/3.94x3.86x2.13 inch The package includes: 1-piece do white noise machine 1 piece USB cable 1 piece instruction manual