... JPEG and BMPFM radio (optional) frequency range: China: 87.5 to 108 MHz (50 step) World: 76 to 108 MHz ... Channel: preset 30 channlesBit speed: MP3: 8 to 320kbps WMA: 5 to 320kbps EQ: normal, Microsoft PlayFX, rock, pop, classic, ... at the same time Shutdown: (auto shutdown) off, 3, 5, 10, 15, and 20mins Screen refresh: full screen refresh and ... G-sensor USB port: USB 2.0 7 inch TFT digital electronic book