it can play any sounds ,the time is 6s.10s.20s and so on. we have many sound sources ,animal sound ,toy sounds and so on. 1,it can play any sounds ,the time is 6s.20s.60s and so on.we have many sound sources ,animal sound ,toy sounds and so on. 2,it alawys used in Tricycles,Bicycles,Motorcycles. music chip