2.0 inch full screen play; unique mould for case making; 25pcs pictures/second playing speed Built-in speaker, extendable SD card, German audio process tech, genuine 3D surround stereo sound, digital photo frame function, adjust photo size automatically. CPU support to read E-book while listening to music. AVI format video/audio play directly, common audio/video format; High compress ratio audio/video flash 512M, capable store 2 clear films Stainless steel case, fashionable feeling. Size: L80 x W46 x T13mm Mp4 series prices (FOB Shenzhen): OD-100 USD24.7/pc; OD-200 USD30.4/pc; OD-201 USD30.4/pc; OD-202 USD31.4/pc; OD-204 USD31.4; OD-210 USD35.4/pc This is a conventional Mp4, there a many kinds of novel Mp4 available for your choice. You are welcome to come up your inquiry!