Attractive Design, portable and easy to operate , make voice recording, can password -protect data, just function as a watch. Here just one of our models.PowerDisk MP3watch support WMA,MP3 formats,save your favorate music from internet freely. Inside USB connect is available, you can save all the digital file or data anytime and anywhere. MP3 watch is compatible with Windows 98/me/2000/XP and MAC OSX/9.0. Just plug the USB cable into the USB slot of your computer or laptop and in most cases the watch will appear as an external drive. Then just drag your mp3 files over to the watch to load them. They are perfect for the people who have to work on the different PCS-like students and businessmen-and need a dependable way to transport data.