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As far as I can see it, they sell only wired vertical mice. Trackballs are all wireless. https://perixx.com/collections/mice?filter.v.t.shopify.connection-type

• JdeBP 1y ago
  The PERIMICE-520, right there on that page that you pointed to, is a wired trackball. I know because I have one beside me right now with the wire going across the desk. (-:
  • Krasnol 1y ago
    Now I see...they sell the normal tiltable trackball as vertical. Thank you for pointing that out.
    • JdeBP 1y ago
      Perixx arranges things somewhat differently on the U.K./E.U. version of its WWW site. * https://eu.perixx.com/collections/trackball https://eu.perixx.com/collections/trackball