Perixx PERIPRO-303X2H 1.34 Inches Sports Trackball 2 pcs Pack - Fun Novelty Basketball and Soccer Design - Compatible for M570, M575, PERIMICE-517/520/717/720, and Other 1.34inches Trackball Mouse

REPLACEMENT TRACKBALL x 2 - Designed for any trackball mice using 1.34 (34mm) trackball size; PERIMICE-517, PERIMICE-717, PERIMICE-520, PERIMICE-720, Compatible with MX Ergo, M570, M575 Cordless (not include Trackman Marble), M-XT3DRBK (EX-6), M-DT2URBK, EX-G/DEFT MA-WTB43BK ^^ BASKETBALL AND SOCCER DESIGN - The novelty design of basketball and soccer on the trackball. The quality and unique design of your favorite sports can be felt on your finger tip, and it provide a fun and different desktop for yourself and love one. This is also a perfect gift for your love one who likes the baseball and soccer.

^^ GLOSSY FINISH - The glossy surface is treated with a special coating to provide a precise and smooth tracking performance; The matte coating trackball specializes in precise pointing and movement, ideal for long documents, excel, and handling of mass data processing. ^^ ABSOLUTE SPHERICAL - A diameter of 1.34 inches; Provides fast movements and works perfectly for multiple screen control ^^ HOW TO REMOVE THE TRACKBALL - The trackball from PERIMICE-517/717 can be easily removed from the bottom hole of the mouse, using the tip of your finger