Best selling MP3 Player 1.128*64 resolution,two color LCM display 2.Support MP3, WMA, WAV audio format 3.Support multi-lang Best selling MP3 Player1. OLED display 2. Support MP3, WMA, WAV format play with 7 EQ mode3. Built-in FM radio and FM radio records(optional)4. Text and Telbook reading function5. AAA battery Best selling MP3 Player,HS-623