magicteam sound machines white noise machine with 20 non looping natural soothing sounds and memory function 32 levels of volume powered by ac or usb and sleep sound timer therapy for baby kids adults magicteam specifications: machine weight: 0.37 lbs dimensions:2.64inch*2.64inch*2.83inch noise:20 no-looping sounds volume:32 levels of volume timer:1 hour,2 hours,3 hours,4 hours,5 hours and continuous play! box contain: ▪ 1 x sleep sound machine ▪ 1 x ac adaptor ▪ 1 x usb cable