4 GB metal Carabiner Shape USB Flash Memory Drive (BLUE) * USB 2.0 * Plug and play * Dimension: 95 x 45 x 17mm(approx.) * Portable and easy operate * Weight: 32g Small and exquisite design brings much convenience * Support Window Vista/2000/XP, Mac OS 9.X or above, Dimension: 95 x 45 x 17mm(approx.)