MP3/MP4 Watch Main features: Memory: 1-4GB Display: 1.5 inch TFT screen Video Format: MTV             - Conversion formats: MPEG, AVI       - Video Resolution: 160 x 128       - FPS (Frames per Second): 25 FPS Music Format: MP1, MP2, MP3, WMA, WAV             - Bit rate: 32-320Kbps Picture Format: JPEG - BMP Built in MIC            - Record Format: WAV FM Receiver Earphone Jack: 2.5 SNR (Signal to Noise Ratio): 85 dB Output of earphones: 2 x 5mW 32 Ohm Languages: Chinese, Traditional Chinese, French, German, English, Italian, Spanish, Portuguese, Polish USB: 2.0 System: Windows 98SE / ME / 2000 / XP/ Vista Power Source: Rechargeable Li-Ion Battery Dimension: Face- 44mm x 44mm x 13mm (Total Strap Length 250mm) (L x W x D) Other Features: Supports .lrc subtitle and lyric formats Supports .txt formats for reading e-books Picture Slide-Show Functionality Accessories: User Manual USB Multi-use Power Adapter Mini CD with Driver and Conversion Software 2.5 Stereo Headphones 3.5 Headphone Adapter