Model: ST-1613
Brief function introduction 1) mp3 Watch Player 2）Support a variety of acoustic formats: MP3.WMA 3） High quality voice recording & playback Function 4） Six EQ mode select 5）Line-in 6）Includes Repeat A-B and Repeat Mode 7）Mobile U-disk storage 8）High speed USB2.0 9）Built-in 128MB-2GB flash memory 10) Rechargeable Battery