... design 2.Free data upload usb disk 3.usb key drive 4.Superior quality low priceOEM top sales promotional usb 3.0 1.Available Capacity: 64MB,128MB ... ,256MB,512MB,1GB,2GB,4GB,8GB,16GB,32GB;2.Interface: USB 3.0;3 ... and Mac OS 8.6 and above;4.Transfer Rate: High Speed USB 3.0;5.Data transfer speed: 35MB/s-60MB/s for ...