FOR SALE IS ONE (1) NEW ORBIT OPTICAL TRACKBALL (wired) MANUFACTURED BY KENSINGTON BRAND MPN 64327F UPC# 085896643272. VIRGIN NEW IN FACTORY SEALED PACKAGING, PACKAGING MAY VARY, IN FACTORY FRESH SEALED PACKAGING. NAVIGATE WITH GREAT COMFORT AND PRECISION WHILE SAVING VALUABLE DESKTOP SPACE WITH THE KENSINGTON ORBIT OPTICAL TRACKBALL. THIS IS A WIRED TRACKBALL USING USB CONNECTION. IF YOU PURCHASE A KENSINGTON ADAPTER SEPARATELY, YOU MAY CONVERT THIS TO A PS2 CONNECTION. NO INTERNAL MOVING PARTS TO CLEAN OR MAINTAIN, PERFECT FOR TRAVELING SINCE YOU CAN USE A TRACKBALL ON ALMOST ANY SURFACE, INCLUDING HOTEL BED OR CONFINED SPACE. THE OPTICAL TECHNOLOGY DELIVERS PRECISE CURSOR CONTROL WITH THE TOUCH OF A FINGER WHILE THE TWO BUTTON DESIGN DELIVERS A FAMILIAR TWO INTERFACE. ERGONOMIC, ALL DAY COMFORT DAY DESIGN VERY SUITABLE FOR A PROFESSIONAL USER. AMBIDEXTROUS DESIGN MAKES THIS GREAT FOR LEFT OR RIGHT HANDED USERS. USB CONNECTION WITH PLUG AND PLAY INSTANT USE. THE USB CONNECTION may BE CONVERTED TO PS2 USING AN ADAPTER, NOT PROVIDED. MAC AND PC COMPATIBLE WITH WINDOWS XP, WINDOWS 7, WINDOWS 8. KENSINGTON COMPUTER PRODUCT GROUP OF REDWOOD SHORES, CALIFORNIA PROVIDES A THREE YEAR MANUFACTURERS WARRANTY ON THIS GREAT COMPUTER TOOL. UPON PURCHASE, YOU MAY GO TO THE MANUFACTURERS WEBSITE AND DOWNLOAD THE FREE TrackballWorks SOFTWARE FOR ADDED FEATURES, FUNCTIONS AND SHORTCUTS. PLEASE REVIEW FACTORY SPECIFICATIONS FEATURED IN THE PICTURES TO ENSURE COMPATIBILITY SINCE THERE ARE NO RETURNS ON THIS ITEM. THIS ITEM FEATURES A THREE (3) YEAR LIMITED MANUFACTURERS WARRANTY FROM KENSINGTON. YOU WILL RECEIVE ONE (1) NEW AND FACTORY SEALED KENSINGTON ORBIT OPTICAL TRACKBALL SHIPPED BY USPS FIRST CLASS MAIL.....

note..... i sell this great item because i use this great item. i have used the kensington orbit trackball for a million years. this virgin new kensington orbit optical model delivers all the ergonomic benefits of the classic kensington orbit with none of the cleaning hassles from gunk on the internal rollers. this optical orbit is absolutely comfortable, allowing you to move the trackball (large marble) with your index finger or middle finger, avoiding the pains that come with extended standard mouse operation. i have not used another product in over ten years and absolutely swear by this product for comfort, ease of use and eronomic design. kensington makes great product that should last many years when properly cared for.

 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. FREE 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.......