... :metalWeight: 20g Color: red Features:Features:l USB 2.0 Compatible (Backwards compatible to USB 1.1)l High Reading & Writing transfer ... standards Tech Spec. :c Capacities:128mb, 256mb,512MB,1GB,2GB,4GB,8GB,16GB,32GB,64GBInterface Type:USB 2.0 compatible with USB 1.1Writing ... /SCompatibility:Desktop, Laptop, Macintosh, Tablet, Speakers all with USB portOperating System:Windows 7/Vista/XP/2000/ME/NT/98 ...