... .good quality 4. good price 36W, 12V,3A Switching Power Supply, product dimensions:85x59x38mm.High reliability, low cost.Built-in ... 265VACInput frequency....................47~63Hz Line regulation (full load).......≤±0.5%Output voltage adjust range.......105~120%Current limtiting,Auto ... and mice, speakers include portable speaker, 2.0/2.1/5.1 speakers, iPod speakers, USB/SD speakers and speaker bags ...