PEN DRIVE / MP3 / WMA / FM / • Available in 128MB / 256MB & 512MB • USB 2.0 • 1 x AAA Battery Playing Time 20 hours • Bonus Clip on Ear Phones included Features: • Direct USB Interface : UMS (USB Mass Storage) Without Other additional Programs • File Uploading and Downloading (USB 2.0) • Dynamic and Sporty Design • Playback - MP3/WMA file playback • FM Stereo Tuner • Graphic Equalizer • Built-in USB Jack • Multiple Language support • Automatic Power Off • Intro & Highlight intro Play • Program Play-list • Section Repeat & Repeat/Shuffle Mode • Warranty Period: 1 year. Specifications: Power: Battery DC 1.5V, LR03 (AAA or EM-4) x 1, USB Battery Life: Playback 20 Hours Maximum Output: Earphone 7 mW/Ch FM Frequency Range: 87.5 ~ 108 MHz or 76 ~ 106 MHz S/N Ratio: 85 dB Frequency Response: 20 Hz ~ 20 KHz Dimension: 29 mm Wide, Length 102 mm, Height 23 mm Weight: 30g (W/O Battery)