Photo 1 of Perixx Periboard-522 Wired Trackball Mechanical Keyboard, Build-in 2.17 Inch Trackball with Pointing and Scrolling Feature, US English Layout Wired USB only

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Photo 1 of Perixx Periboard-522 Wired Trackball Mechanical Keyboard, Build-in 2.17 Inch Trackball with Pointing and Scrolling Feature, US English Layout Wired USB onlyPhoto 2 of Perixx Periboard-522 Wired Trackball Mechanical Keyboard, Build-in 2.17 Inch Trackball with Pointing and Scrolling Feature, US English Layout Wired USB onlyPhoto 3 of Perixx Periboard-522 Wired Trackball Mechanical Keyboard, Build-in 2.17 Inch Trackball with Pointing and Scrolling Feature, US English Layout Wired USB onlyPhoto 4 of Perixx Periboard-522 Wired Trackball Mechanical Keyboard, Build-in 2.17 Inch Trackball with Pointing and Scrolling Feature, US English Layout Wired USB only