Specification Web camera : front : 0.3m pixel , back:2m pixel Battery: 4300ahm, lasts 5 hours for vedio watching, dc2.5/9v /1500han 2g : gsm: support gsm850/900/1800/1900mhz 3g:built-in 3g modules, support wcdma 850/1900/2100mhz Office software : word, excel, powerpoint, pdf, txt etc. Mobile tv fm transmission/receiver Audio playing formats : rmvb, rm, wmv9, mp4, 3gp, mpeg2, mpeg1, h.264, h.263, mp3, wma, ape, flac, wav, ogg, aac Picture formats :jpg, bmp, png, gif ect.Highest support 4096*4096 resolution Playing time : 8 hour music for music, with earphone 6 hours above for video Video: xvid/divx, real 8\9\10, avi, rm, rmvb, pmp, flv, mp4, m4v, vob, wmv, 3gp, mkv etc, 1080p(1280*1080), support 3d function ect Games : 3d games can be supported by internal 3d accelerate of hardware Support usb lan Language: multiple language battery : 3000ahm , dc2.5/5v /2000han Usb interface: micro usb2.0 Size: 188*108*9.6mm , weight: 320g Packing: 1*usb cable, 1*user's manual, 1*packing box