This category is for companies who manufacture portable players or offer extensive resources/forums for those who own portable players. Please submit to Shopping/Consumer_Electronics/Audio/Digital_Portable_Players if the primary purpose of your site is retail.
Portable (or transportable) audio players designed to accept uploads of digital audio files. Although MP3 players currently dominate the market, this category is not limited to any particular audio file format. (In fact, you are encouraged to submit information on players that use other formats.)