... screenvideo format supported :NX-AVIASF, AVI, MPG, MPEG, WMV, ASX, RM, RMVB, VOB, MP4the conversion of video formats supported: ASF, AVI ... , MPG, MPEG, WMV, ASX, RM, RMVB, VOB, MP4Video resolution:128*128MP3(MPEG1/2/2.5Layer3 ... : High-speed USB 2.0Power: built-in 370mAh/3.7v lithium-ion polymer battery 2012 most fashion AD668 Digital Cheap Promotion MP4 Player Watch