FOR SALE IS ONE (1) NEW PS/2 KEYBOARD and MOUSE to USB MALE CONVERTER (passive) ADAPTER CABLE. THIS USB MALE to PS2 FEMALE (2) PASSIVE ADAPTER CONVERTER CABLE IS A GREAT SOLUTION FOR THOSE WHO WANT TO USE LEGACY OR OLDER PS2 DEVICES ON A NEWer COMPUTER WITH USB (but no ps2 input). ALLOWS YOU TO CONNECT A PS2 MOUSE OR KEYBOARD OR BOTH THROUGH THE USB PORT ON MOST ANY COMPUTER WITH USB. COMPATIBLE WITH ALL VERSIONS OF WINDOWS. NO DRIVER REQUIRED, JUST PLUG AND PLAY, SUPPORTS INTELLIMOUSE AND PS/2 MOUSE STANDARDS, USB 1.1 USB 2 COMPATIBLE. THIS UNIQUE CONVERTER ADAPTER ALLOWS YOU TO MAKE USE OF YOUR OLD PS2 KEYBOARDS AND MICE, SUPPORTS USB UHCly OHCI INTERFACE AND IS A PASSIVE ADAPTER. FOR VERY OLD KEYBOARDS REQUIRING EXTRA CURRENT (extra power) LIKE IBM CLICKY KEYBOARDS THIS PIECE WILL NOT WORK. VINTAGE KEYBOARDS OFTEN REQUIRE AN ACTIVE ADAPTER TO PROVIDE THE EXTRA CURRENT. YOU WILL RECEIVE ONE (1) NEW PS/2 KEYBOARD/MOUSE TO USB CONVERTER ADAPTER SHIPPED BY USPS FIRST CLASS MAIL. what is the difference between a passive converter and an active converter? THIS passive converter operates on the limited power provided by the usb port. AN active converter provides additional power through an external ac power supply for keyboards or mice which may require more power, more current, more juice, is sometimes required on older legacy devices, like the older IBM clicky keyboards or legacy keyboards with lots of lights. GO to my other items and search keyword IBM CLICKY KEYBOARD if you require the more advanced converter BID AND BUY HERE IN IN ABSOLUTE CONFIDENCE SINCE I HAVE THOUSANDS OF POSITIVE FEEDBACK AND TEN+ YEARS EXPERIENCE. I SHIP WITHIN TWO DAYS OF RECEIPT OF PAYMENT, OFTEN THE NEXT DAY. $4.11 USPS FIRST CLASS GREEN SHIPPING USING RECYCLED PACKAGING MATERIALS AND ENVIRONMENTALLY FRIENDLY MATERIALS TO ANYWHERE USA. I DO NOT SHIP ANYWHERE ELSE. HAVE A GREAT DAY AND THANK YOU FOR STOPPING BY.......