Iron Man Best&reg; 8GB, 16GB or 32GB USB Flash Drive (8GB, Silver) USB 2.0/1.1 port 3.Windows ME/2000/XP/Vista/CE3.0/Mac OS 9.0/Linux2.4.0 or higher Red or Silver. Choose the size you need, 8GB,16GB or 32GB Fast Transfer Rates(Read mode: 25 MB/s; Write mode: 8~12 MB/s) Size:1.5"(L) x 0.8"(W) x 0.5"(H) Weight: 3 oz