USB Receiver for Logitech Wireless Presenter R400 R700 R800 C-U0014 N3-4 | eBay
Logitech R400 Presenter, USB alıcı üzerinden kablosuz 2.4 GHz bağlantı, 15 m menzil, kırmızı lazer işaretleyici, sezgisel kontrol elemanları, 6 tuşlu, pil göstergesi, PC, siyah - OnuAl Fiyat Arşivi
Marcus Mengs on Twitter: "New receiver for @Logitech R400 presentation clicker mitigates wireless keystroke injection. Had 5 minutes to test a replacement receiver. The new ones marked with 'ESW3601' restrict injectable keys