... time (Approx. ):reading 18-22hrs:(reading current: 28mA;turn page(txt):220mA) ;music 25hrs:(44mA--don't change screen); ... panel Display controller Epson display controller Back light no back light without no any radialization Display size 6 inch (800x600) ... sizes Other features search book by filename, auto-resume, bookmarking page number indication yes Accessories USB cable, Charger (power supply), ...