M2/MMC/MS/SD/Micro SD erasable memory card color:white size:7.5*5*2.5cm Can be directly on the flash drive to quickly browse and edit files The supply of flash via USB Drive dirve power required Support Hot Swap Have LED lights can display the status to read and write System... M2/MMC/MS/SD/Micro SD erasable memory card color:white size:7.5*5*2.5cm Can be directly on the flash drive to quickly browse and edit files The supply of flash via USB Drive dirve power required Support Hot Swap Have LED lights can display the status to read and write System Environment:*Operating Temperature:0°C~70°C Support System:WINDOWS 98SE/ME/2000XP Linux 2.4.X Mac OS 10.0 USB 2.0 HUB program using the latest high-transmission speed,stability,strong.