Highlights Great MP4 media player, bookmark, recording, e-book and support many audio and video formats. Main Features Brand Bense Model X637 Audio Format MP3, WMA, OGG, APE, FLAC, WAV, AC3, AAC, etc. Video Format AVI, RM, RMVB, FLV, MP4, MOV, 3GP, MKV, VOB, MPG, MPGE, DAT, ASF, WMV, etc. Image Format JPEG, BMP, PNG, GIF Screen Touch Screen yes Size of Display 5 inches Type of Display TFT Resolution 800*480 Memory Built-in Memory   8GB Card Slot TF Battery & Power Battery Type   built-in rechargeable lithium-ion battery Additional Features Headphone Jack 3.5mm plug Data Interface USB interface, up to 5MB/s FM Radio FM stereo Language English, Simplified Chinese, Traditional Chinese, Korean System Required Windows 98/SEME/2000/XP/Vista eBook Format TXT, PDF Microphone built-in microphone Others HDMI interface