Color: White Power: 1W Voltage input: DC 5V=0.5-1.0A Battery: Li-ion 18650 - 2000mAh Battery cycle: 500 times Operating time: 20 hours Charging time: 2.5-3 hours Product weight: 230g Dimensions: 91*91*135mm Package contents: Sleep aid, data cable, manual, remote control Product details: 6 sleep sounds: white noise, fan, stream, ocean waves, birds, campfire, train, piano, lullabies, meditation and more. This soothing device helps create a relaxing environment, suitable for babies, children, and adults. Adjustable night lights: Features multiple light modes including bright white, warm light, red, green, blue, yellow, pink, seven-color changing, fixed color, and off. Long and short press controls allow brightness adjustment. The combination of sound and soft lighting helps establish a calming bedtime routine. Night light function supports nighttime care in nurseries. 4 timer settings: Choose continuous playback or set automatic shut-off at 15, 30, or 60 minutes. Compact design with storage function: Portable and easy to carry in a handbag or suitcase, ideal for home, office, or travel. Memory function restores your last used volume, tone, and timer settings automatically.