Size: 8.3 x 2.5 x 2.5 inches (L X W X H). Read speed of 5 to 55 inches per second. Write speed of 5 to 35 inches per second. Interfaces: Bluetooth or USB. Apply:Windows,Mac,Linux,Unix. MSR is a Magnetic Stripe Card Reader Writer(Encoder) to offer a card reading/writing solution for ISO 7811-6 formats, MSR encodes and reads ISO, AAMVA, User Custom, and Raw-Data card formats. It writes (encodes data), reads the data, and then verifies the encoding for up to three tracks in a single card swipe. Reads and writes magnetic stripe media including cards, tickets, badges and passbooks. Not need external power adapter and not need usb driver, plug and play. Manual Swipe to read and/or write card with Bluetooth or USB output Writing and verifying data on single, dual, or triple track in one swipe, Programmable leading bit, raw data, DMV/AAMVA, and user defined format, Hi or Low coercivity is easily configured by clicking a single software button, Writes any track combinations of 210 and/or 75 bpi data density, Can write characters at variable bit lengths Operating life exceeds 1,000,000 card swipes ABS housing for stability & operating life EasyMSR software is easy; it guides the user through set-up of standard and custom writing, & reading processes LED provides operational status Read card Track1 Track2 Track3 Bit per density 75/210bpi 75/210bpi 75/210bpi Coercive force Read/write 300-4000 oe Mag.card Card thickness 0.76-1.2mm Read speed STD card Jitter +/-15% Amp. 60% 5-55ips 5-50ips 5-50ips Write speed 5-30ips Write jitter Interval Less than +/- 10%, Sub-interval Less than +/- 12% Error rate Read Less than 0.5% Write Less than 0.8% Head life Min. 1000K swipes for both read/write head Color: Black Material: ABS Package Contents: 1 * Magnetic card reader/writer 10 * Magnetic cards 1 * Cleaning card 1 * CD Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little di