MP5 Player UMP-503 1, 256MB to 16GB 2, Stores up to 1,000 songs MP5 Player UMP-5031.Stores up to 1,000 songs, up 2.Supported formats include MP3, WMA, FLAC, AAC, APE, WAV, AVI, RM/RMVB, MPEG, ASF, VOB, DAT, and JPEG, BMP, GIF photo format.3.Built-in digital FM tuner access to your favorite FM radio stations4.High-speed USB 2.0 interface delivers ultrafast transfer speeds. 5.Built-in rechargeable ...