Check the listing for details. DSLRKIT 32GB USB Flash Drives Slim Thumb Mini Nano Micro Waterproof. Condition: New. Listed at 12.50 USD. Product description This should be the smallest, thinnest and waterproof USB Flash Drives you can find. The thickness is only 2.3mm,it is so thin that it can be placed in a wallet or other similar areas. It is short enough,the length is only 16.7mm,After inserting the USB port, the hight only shows about 5-7mm. Ideal for use on a tablet, laptop, or car with a USB port. Specification: Length: 16.7mm Width: 12.2mm Thickness: 2.3mm Weight: 0.8g Capacity: 32GB Controller Chips: SMI SM3271AC1 The data read speed max : 18MB/S The data write speed max : 8MB/S Windows display capacity: 28.8GB (Due to the inner system and procedure data will occupy some space and the real capacity will reduce lightly ) Support USB version 2.0 and 1.0 Easy plug and play installation Stylish lightweight; portable,new concept modeling,classic fashion,compact Brisk High Speed; plug and play, in line with USB 2.0 specification, data transfer speed. Compatible with Windows 7/Windows 8, Windows XP, Windows Vista, Hi-Speed USB 2.0 port required for high speed transfer Support solution for Linux kernel version 2.4 or later version Driveless for OS 9X or up Durable solid-state storage No external power is required 4.5V ~ 5.5V from USB port Operating Temp: -10 to +55Deg.C Storage Temp: -20 to +55Deg.C Item Included: DSLRKIT Slim Small 32GB USB Flash Drive x1