Lot of 4 Keyboards 2 Mouses For Repair Or Parts K520, K540 Logi Logitech Broken

Lot of 4 Keyboards 2 Mouses For Repair Or Parts K520, K540 Logi Logitech broken Wire keyboard Dell this keyboard works K520 logitech wireless have not tested but I believe it does not work K540 logitech wireless have not tested but I believe it does not work K270Logitech wireless this keyboard has back where battery goes broken .have not tested but I believe it does not work see pictures 2 mouses logi logitech.have not tested but I believe it does not work All lot I'm selling for parts only