This carabiner comes with a built-in 4GB USB flash memory, allowing you to carry your climbing gear and important data at the same time.
Features:
USB 2.0
Portable and easy operate
Plug and play
Support Window Vista/2000/XP, Mac OS 9.X or above, Linux Kernel 2.4 or above
Dimension: 95 x 45 x 17mm(approx.)
Weight: 32g