Amazon.com: USB Receiver for Mouse, 2.4G Wireless USB Receiver for Logitech K230 K270 K375S K400PLUS K780 K580 MK, Replacement Mouse Dongle Adapter with Mouse Pad : Electronics
NeweggBusiness - Logitech K375s Multi-Device Wireless Keyboard and Stand Combo 920-008165 Black Bluetooth Wireless K375s Multi-Device Wireless Keyboard and Stand Combo
User manual Logitech K375s (English - 31 pages)
Logitech's Wireless Multi-device keyboard and Stand combo drops to $30 (Reg. $50)
Amazon.com: Logitech K375s Multi-Device Wireless Keyboard and Stand Combo (Renewed) : Electronics