16 GB (Built-in Memory), 4100 Songs, Audio Files: AAC. Video Files: MPEG-4. Display Size: 2.5 inch, Weight: 1.09 oz. (30.9 g) The redesigned, ultraportable iPod nano has a larger, 2.5-inch Multi-Touch display; plays music, FM radio, and videos; includes built-in Bluetooth technology; and features a pedometer and Nike+ support for fitness. more...

Apple iOS, 4 GB (Built-in Memory), 1000 Songs, Audio Files: MP3, WMA, Ogg Vorbis, FLAC. Display Size: 1 inch, Weight: 0.85 oz. (24.1 g) Sandisk Sansa Clip+ 4 GB; Flash memory; microSD;microSDHC; MP3; WMA; 4096 GB; MP3;WMA;OGG;FLAC; 3.5 mmTheres so much more to love when you play with a Sansa Clip+ MP3 player-for big sound and lots of features in a tiny package . Listen to up to 2;000 songs†† on your 4GB player with amazing sound quality; FM radio; long-life battery; voice recorder and a memory card slot; too. And expand your fun indefinitely with slotRadio or slotMusic cards preloaded with tunes ready to pop into the players memory card slot. more...

4 GB (Compact Flash (CF) Card), 1000 Songs, Audio Files: MP3, WMA, Ogg Vorbis, FLAC. Video Files: ASF. Display Size: 1.1 inch, Weight: 0.56 oz. (15.9 g) The Small High-Performance Sanza Clip Zip Mp3 Player From Sandisk Gives You Up To 15 Hours Audio Playback So You Canlisten To Up To 1,000 Songs Stored On The 4Gb Flash Memory. Compatible With Mp3, Wma And Ogg Vorbis Audiofiles, It Also Reads Acc Format (Drm-Free Itunes) And Audio Books. With An Fm Tuner, Micro Sd And Micro Sdhccard Readers And 1.1" Colour Screen, The Sansa Clip Zip Mp3 Player Caters Forall Your Music Storage Needs. more...

4 GB (Built-in Memory), 1000 Songs, Audio Files: MP3, WMA, AAC, Ogg Vorbis, FLAC. Weight: 0.56 oz. (15.9 g) Enjoy your music on the go with this MP3 player that features 4GB* of memory and a microSD/microSDHC card slot for expanded capacity. The enhanced color screen allows you to easily view your playlists. more...