This sleep sound machine plays nine different sounds and is USB rechargeable. Helping a baby or child fall asleep can be challenging. The white noise helps soothe them, promoting quicker sleep. Offering nine distinct sound options, this machine caters to individual preferences. The included sounds are white noise, ocean waves, birdsong, waterfall, crickets, a babbling brook, and three lullabies. Its portable design makes it an ideal travel companion, especially for those who struggle to sleep. FEATURES: * Nine soothing, natural sounds. * Portable design: Compact enough for a bedside table, it easily fits into a bag or suitcase, making it perfect for travel. * Versatile use: This white noise sound machine masks noise and improves sleep quality. It's suitable for use at home, in the office, in a dorm, a baby's nursery, or anywhere you need it. * Automatic shutdown timer: Choose continuous play throughout the night or set a timer for 15, 30, or 60 minutes to conserve energy. (Light display). * Light display: Adjust the breathing for 10 minutes based on the light to promote relaxation. * Built-in lithium battery and USB charging: Enjoy up to 36 hours of continuous use on a full charge. Product Specifications: * Type: White Noise Machine * Input: DC5V=0.8A * Rated Power: 1W * Battery Capacity: 1200mAh * Charging Time: Approximately 1.5 hours * Size: 3.54x3.54x1.22 inches (80x80x31 mm) * Working Time: 15-30 hours * Battery Cycle Life: 500 cycles Package Includes: * 1 x White Noise Machine * 1 x USB Charging Cable