1)Supports USB full-speed (12Mbps) transmission 2)Capacity: 64MB, 128MB, 256MB, 512MB, 1GB, 2GB,4GB,8GB 3)No driver is needed for Windows ME/2000/XP, Mac OS 9.x and above. 4)Supports Windows 98 SE (requires driver) and Linux 2.4. 5)Reading speed: 900Kbps (USB1.1) 6)Writing speed: 700Kbps (USB1.1) 7)Reading speed: 8Mbps (USB2.0) 9)Writing speed: 7Mbps (USB2.0) 10)Supports multi-partition and password access 11)Supports boot up by USB-HDD or USB-ZIP mode 12)Can be pre-loaded with data or software. The auto-run option makes your pre-loaded advertisement, presentation or homepage start automatically. 13)Optional color:blue orange black 14)Unit Size:5.5x2x1cm (LXWXH) 15)Unit Weight:16g 16)Logo print size:2x1cm(LXH) 17)Certificate:CE,FCC,RoHS 18)Standard packing:1pc gift/black box,1pc USB Stick ,1pc User manual ,1pc CD withdrivers and software ,1pc USB Extension cable ,1pc Neck strap 19)Outer package:100pcs/CTN, Carton Size:49x36x25cm ,G.W:9KG,N.W:8.5KG