Product Details  1080i HDMI VGA AV 2.5'' HDD media player supports MP3, WMA, AAC, AC3, PCM, DMPCM.  1080i HDMI VGA AV 2.5'' HDD media player supports RM, RMVB,AVI, DIVX, XVID Best to Play RM RMVB on TV Suport 2.5inch SATA HDD built-in up to 750Gb 4 in one Card Reader: MMC/XD/MS/XD Vedio Output Interface: HDMI, Component(YPbPr), A/V Composite, VGA  Video formats: Real Video (RM, RMVB), and MPEG1MPG, VOB, MPEG),  MPEG4(.AVI, DIVX, XVID, .MP4) Audio formats: MP3, WMA, AAC, AC3, PCM, DMPCM Photo Formats: JPG/JPEG, GIF, BMP, TIFF  Technic Parameter:  Available OS USB Device Compatible: Windows 98SE/ME/2000/XP/VISTA, Mac OS 9.0/Linux 2.4higher USB Device Device Port x 1ea, 480Mbps USB 2.0 (USB 1.1 compatible) CardReader SD,MMC,MS,XD USB HOST USB2.0 Host Port x 1ea, Supporting to read USB devices like External USB HDD, Flash Drive, Card Reader Digital Display None TXT reading TXT format file Browse Replay Both for music and movie SLIDESHOW Can use 14 modes browse(3S5S1D15D1H) and with music background OSD Language English,Chinese Video Output AV RCARCA ( 480p, 576p) HD COMPONENT YPbPr (480p, 576P,720p ) Audio Output Stereo L-R Working Temperature -5 ~ + 70 Dimension 116L x 116W x 29 H mm Weight 180g (without HDD) 270g (with HDD) Power 5V/3A 110~240V Free Voltage Working Humidity 5%-90%RH Accessories: 1.RM2503SH media player -1pcs 2.Remote controller, battery -1pcs 3.USB cable (for connecting to PC) -1pcs 4.USB host extended cable -1pcs 5.HDMI cable -1pcs 6.AV cable (composite + stereo cable) -1pcs 7.stereo cable -1pcs 8.Power adapter -1pcs 9.User manual -1pcs