... power: PMS 3W THD = 10% Kaidaer MP3 Player and Miniature Speaker For IPod IPhone Micro TF KD-MN02Speaker function parametersOutput power ... adaptor below 5.3V to work properly. function explanationMusic player- allows you to enjoy music anytime, anywhere charm. ... even better.New concept of integrated digital audio player, connect your MP3.Mp4, CD, DVD, iPod, IiPhone, PSP, mobile phones, computers.Metal, ...