)Support 4Mbit serial Nor-flash 2)The Picture format: JPEG,BMP,GIF and TIF 3)3 buttons: 1.page up 2.page down 3. power 4)5)Can put your “LOGO” on backside 5) 8-bit 8051 CPU 6)Compliant with USB 2.0 7)Support SPI/UART interface 8)Support IIS interface up to 32-bit data 9)Support 64 levels low voltage detection 10)Support reset and clock control module to save system power consumption 11)On-chip PLL 12) Dedicated power-down/wake up control for external device to minimize power consumption