Logitech K400 Usb Unifying Receiver - Wireless Dongle Receiver Usb Adapter 6 M905 - Aliexpress
Amazon.com: Logitech K400 Plus Keyboard, German Wireless Touch, White, 920-007128 (Wireless Touch, White) : Electronics
Drahtloser Dongle-Empfänger vereinheitlichen den USB-Adapter für Logitech-Maus tastatur 6 Geräte für mx m905 m510 m505 Tastatur k400 verbinden - AliExpress
Amazon.com: SummitLink Unifying Receiver for Mouse and Keyboard Compatible for Any Logitech Product That Display The Unifying Logo (Orange Star, Connects up to 6 Devices) B083J7DYDT : Electronics
Wireless Keyboard K340
Logitech K340 Wireless Keyboard (DE, Kabellos) - kaufen bei digitec
Amazon.com: Logitech K780 Keyboard, German Wireless, 920-008034 (Wireless) : Electronics