Features: 1) RK26XX solution 2) Built-in flash memory 3) MP3 / WMA / WAV music file playback 4) MPEG4 / AVI video file playback 5) JPEG graphic file browse 6) Built-in microphone, supporting ultra-long-time recording 7) Line-in recording 8) Electronic book, supporting TXT file format, built-in bookmark 9) FM tuner with preset 40 stations 10) 160 x 128 pixels full-color TFT LCD 11) Built-in game 12) High speed USB 2.0 13) Remote firmware upgrade and system maintenance 14) Auto power off 15) Free adjustment of bright degree of backlight Specifications: 1) Capacity: up to 2GB 2) Display: 1.8" 65000 color TFT LCD 3) Power supply: built-in chargeable lithium battery 4) Power supply working time: approximate 10hours 5) Earphone output power: 20mW x 20mW / 32 ohms 6) Output frequency: 20-20kHz 7) The ratio of signal to noise: ≥80dB 8) File playback format: MP3, WMA 9) Voice recording format: WAV 10) Coding rate: MP3: MPEG 1.0 layer 3 32-320Kbps; WMA: 64K-256Kbps 11) Working temperature: -5癈 ~ 40癈 12) Interface type: mini USB2.0 13) Dimension: 81 x 45 x 14mm 14) Net weight: 40g