Description:This white noise speaker features 10 soothing sound: white noise, wave sound, rain drop sound, lullaby, and so on.This soothing sound machine features a hanging rope and is convenient to carry or store.This soothing sound speaker can help you go to asleep and is suitable for home, office, dorm, etc.This soothing sound machine can work about 23 hours, so it can work through whole night, accompany your whole sleep.This white noise machine is USB rechargeable. It is easy to operate and is comfortable to use.Specification:Color: White.Material: ABS + silicone + electronic components.Size: 9.3x8x2.8cm.Battery: Li-battery.Capacity: 300mAh.Power: 1W.Working time: About 23 hours.Charging time: About 1 hour.NoteThere might be a bit color distortions due to different computer resolutions.There might be a slight errors due to different hand measurement.Package included:1x Host.1x Charging cable.1x Hanging rope.