SanDisk SDCZ7-4096-A11 4GB Ultra Cruzer Titanium USB Flash Drive (Silver) (SDCZ7-4096-A10RB) U3 smart enabled Retractable USB connector eliminates the need for caps Extremely rugged and smart USB flash drive Liquidmetal casing is crush-resistant to over 2,000 lbs Easily carry and transfer key documents, pictures, music and video clips