* Manufacturer's description: * Features: * 9 kinds of smooth and natural sounds: features white noise, wave sounds, cricket sounds, rain sounds, birdsong, bickering and three lullabies, so that you can choose sounds according to your preferences and needs to create a quiet environmentPortable design - it takes up a small space on the bedside table and can be easily put into your bag or suitcase, making it the perfect travel companion * Not just for sleep - our white noise sound machine not only masks noise and improves sleep quality, but also is suitable for use at home, in the office, in a dorm, in a baby nursery or anywhere you want * Automatic shutdown timer - this white noise machine can be played continuously non-stop all night or there is an auto-off timer to set for 15, 30 or 60 minutes to conserve energy (light display) * It features a light display and according to the light, you can adjust breathing in 10 minutes to make your body relaxed * It features built-in lithium battery and USB charging, can be used continuously for 30-36h from a full chargeSpecifications: * Item type: White noise machine * Material: ABS * Item colour: White * Charge method: USB cable * Input voltage: DC5V=0.5-1.0A * Power: 1W * Battery: Li-ion18650-1200mAh * Charging time: 1-1.5 hours * Use Time: 30-36 hours * Charging circle: 500 times * Item size: Approximately L8 x W8 x H3.3cm / L3.1 x W3.1 x H1.3 inches * Package weight: Approx. 171g / 6 z * Package includes: * 1 x White noise machine * 1 x USB Cable * 1 x Manual