BITRO GmbH is a German company specializing in PS5 and PS4 controller modding. The store offers custom PS5 controllers, DIY controller parts and accessories, with a focus on PlayStation 4 and PlayStation 5 DualSense modding, shipped from a warehouse in Germany. Product range covers over 457 PS5 products including Hall-effect sticks, remappers, smarttrigger sets, paddles, replacement shells, touchpads, batteries, modding tools, and STL 3D print files. Services include an online configurator for building custom controllers (from €79), ready-built custom controllers (from €97), and a professional Umbauservice where customers send in their own DualSense for upgrades like Hall sticks, paddles, or smart triggers. Per their Impressum, they are a specialized refiner of PlayStation controllers, an independent company not affiliated with Sony Interactive Entertainment Europe Limited in any way.