WP-680, WP-980 MP4 Player powered with 2300mAH lithium battery 2.5TFT MPEG4 Player with Maximum 1G SD expansion Key Specifications/Special Features: l 2.5" 260K TFT screen, 16 Mega; l Support WMA/MP3/WAV/ADPCM; l Support ASF format MP4 file; ADPCM stereo, Playing effect: 320*240@30f/sl; l Telephone book function; l Video recording by MPGE-4 format and ADPCM stereo sound; l Photo/JPEG browse function. Support EXIF2.1; l Built-in microphone, Line-in transfers function; l Normal recording and VOX recording function; l Game, calendar function; Hold key and screen save l USB 2.0 port able to transfer files under the condition of no power supply. l A-B repeat, replay, contrast function; l Adopt external SD/MMC card as store medium. Maximum support 1GB SD card; l Size: 90*60*17.5mm.Play time: 7 hours, 2300mAH lithium battery.