Feature:1. 1. White noise sound machine: Help to create a peaceful environment, boost your focus while you study or work, make baby fall asleep faster and completely rested. With 12 soothing sounds and auto-off timer.2. 2. 12 soothing sounds: Includes 10 light music, bird and wave sound. All sounds are soothing and mollifying, no jarring noises. Select the sound that you prefer.3. 3.Auto-off timer: The auto-off timer can be set for 15, 30, 60 minutes to save energy, no more worry about forgetting to turn off the machine.4. 4. Adjustable volume: Adjustable volume control allows you get the sound just right.5. 5.Portable size: Small size and lightweight with a silicone strap, perfect for outdoor use, and can be easily attached to baby stroller, or crib.6. Specification:Includes 12 snoothing sounds: 10 light music, bird and wave sound.Adjustable volume.3 timer: 15min, 30min, 60min.Powered by 3pcs AAA battery(NOT included).Easily hang on stroller or simply stand on table top.Smooth and burrfree surface design.Small size and lightweight, portable design.Color: White + GreyMaterial: Plastic + electronic componentsProduct Size: 10*6*11cmPower Supply: 3* AAA battery(Not included)Timer: 15min, 30min, 60minCleaning: Gently wipe with wet clothPackage List:1 x Owl Sound Machine1 x User Manual