Logitech MK540 Advanced Wireless Keyboard and Mouse Combo for Windows, 2.4 GHz Unifying USB-Receiver, Multimedia Hotkeys, 3-Year Battery Life, for PC, Laptop - antonline.com
Amazon.com: Logitech MK540 Advanced Wireless Keyboard & Mouse Combo Travel Home Office Modern Bundle with Boost Water-Resistant Portable Wireless Bluetooth Speaker, Gel Wrist Pad, & Gel Mouse Pad : Electronics
Logitech MK540 Advanced RF Wireless Keyboard and Mouse - Newegg.com