MSR X6 1/3 Size of Msr206 Msr605 Smallest Usb-powered Magnetic Reader Writer Encoder Swipe by Card Device US stock ! it will take 2-5 days to arrive. Functions: Read, Write, Copy, Erase, Compare, Save to File, File to Write, Hi-Co & Lo-Co: All compatible (300~4000 oe); Tracks: Track 1,2,3; Swipe: Manual Single Direction; smallest magnetic stripe card reader writer Dimensions: 5.5X1.6X1.6 inch Weight: 145g (5 oz or 0.32lb) Operating Instructions: LED Compliant OS: Windows 98/2000/ME/XP/vista/7/8 (32&64); Mac OS; Linux and Unix;