... rechargable battery powered 2. long time play and auto replay 3. auto update by USB drive 4. Timer function 5. CE, FCC ... . Real energy-conserving and environment-protective. Play programs by pressing the play button when in need. The player ... Property, Entertainments, etc.Application field (A-Z):Airport, Apartments, Auto dealerships, Banks, Bars, Beauty shops, Bookstores, Colleges and Universities, ...