Specification: Memory: 128m, 512m, 1g, 2g, 4g, 8g, 16g, 32g Battery : lithuim 300ma - 3500ma, Standard: 4.3inch, 5inch and 7inch is 1000ma, 10inch is 1500ma Display : 4.3inch, 5inch, 7inch, 10inch Switch : on/off switch, push button, touch button, magnetic induction switch Function : video play, image view, txt view, music paly Video format : rmvb, avi, mkv, vob, mov, flv, asf, dat, mp4, 3gp, mpg, mpeg Music format: mp3, wma, drm wma, ogg, ape, flac, wav, aac Text format : txt Picture format : jpeg, bmp, gif, tif, png System support : win98/me/nt/2000/xp/win 7/mac Picture resolution : 4.3inch is 480*272, 5inch and 7inch is 800*480, 10inch is 1024*600 Paper card : a3, a4, a5 and customized size, surface could be 4c, 6c printing, light and matt surface Boot time : 2 seconds Video switch time : 1 seconds Individual item packing content: 1*video player module 1*usb cable Carton size: 46*27*13(cm) --- for 5inch to 7inch Leatime:3-5 working days for sample, 15-18 working days for bulk order. Warranty time : 2 years