Features: A Variety of Soothing SoundsWith 16 different soothing sounds, including white noise, waves, stream, rain sound, birdsong and so on, the baby sleep sound machine helps to block out disruptive environmental noises and promote deeper, more restful sleep for both you and your baby. Soft Night LightFeaturing soft night light, this white noise machine allows you to customize your sleep environment to your personal preferences without disturbing your baby's sleep. You can turn off the night light also. Precise Volume and Timer SettingsWith precise volume adjustment and 15/30/60 minute timer settings, you can easily create a comfortable sleep environment for your baby, or use it for daily relaxation or meditation. Built-in BatteryEquipped with a 1000mAh lithium battery, the baby sleep machine offers long usage time and convenient charging via the included USB cable. With a 3.5mm headphone jack for listening to soothing music alone. Compact and Portable for TravelWith its compact size and lightweight design, sleep sound machine can be placed on a bedside table, office desk, or other smooth surface. It's also perfect for travel, whether you're camping, fishing, or simply on the go. Specifications: Color: White Battery Capacity: 1000mA Charging Port: 5V 0.5-1A USB Type-C Soothing Sound: 16 Timer: 15min/30min/60min Item Weight: 150g/ 5.3oz Packing List: 1 * Sound Machine 1 * USB Cable 1 * Users Manual(English)