Soothing Sound Selection: The Portable Sound Machine offers 20 relaxing sounds, including white noise, ocean waves, rain, and lullabies, to create the perfect ambiance for sleep, relaxation, or focus. Vibrant RGB LED Lights: Enjoy customizable color-changing lights or set a single hue to match your mood. Compact and Travel-Friendly Design: Lightweight and portable, ideal for use at home, work, or on the go. Customizable Timer: Set the timer for 30, 60, or 90 minutes, or let the sound play continuously throughout the night. Adjustable Volume Control: Fine-tune the sound to your preferred level for a personalized experience. USB Rechargeable: Long-lasting battery ensures hours of use on a single charge. Product name: White noise machine Battery: 3.7V=-800mAh Power input: DC 5V=-500mA Maximum power: 2.5W Color: White Material: plastic Package Contents: 1 x White Noise Machine 1 x USB Cable 1 x English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.