Highlights Super slim design and multiple functions draw much attention from buyers. Come with functions like recording, microphone, etc. Main Features Brand Coper Model B1 Audio Format MP3, WMA< OGG, FLAC, WAV, AAC, APE, P:AC, DTS Video Format WMV, RM, RMVB, AVI, 3GP, FLV, MP$, DAT, VOB, MPG, MPEG, MKV, MOV (support 1280*720P) Image Format JPG, BMP, GIF Screen Touch Screen No Size of Display 5.0 inches Type of Display TFT Resolution 800*480 Memory Built-in Memory   4GB Card Slot TF Battery & Power Battery Type   built-in rechargeable 1600mAh lithium-ion battery Additional Features Headphone Jack 3.5mm plug Data Interface USB interface Language English, Chinese, French, German, Spanish, Portuguese, Russian, Italian, Dutch, Polish System Required Windows SE/ME2000/XP/Vista eBook Format TXT, PDF, HTM, FB2, PDB, EPUB, MOBI, RTF, LRC Microphone Yes Others e-book, recording, microphone Product Details (without package) Dimension approx. 15*10*0.6cm Weight approx. 173g