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.long USB Drives can often get in the way.

Specification:
Length 16.7mm, width 12.2mm, thickness 2.3mm,Weight: 0.8g
Capacity: 64GB
Controller Chips: SMI SM3271AD
The data read speed max : 21MB/S
The data write speed max : 21MB/S
Windows display capacity: 58.5GB (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 64GB USB Flash Drive x1