Logitech M705 Marathon Wireless Mouse – Long 3 Year Battery Life Ergonomic Sculpted Right-Hand Shape Hyper-Fast Scrolling and USB Unifying Receiver for Computers and laptops Dark Gray (Discontinued by Manufacturer) : Electronics
Amazon.com: Logitech C-U0007 Unifying Receiver for Mouse and Keyboard Works with Any Logitech Product That Display The Unifying Logo (Orange Star, Connects up to 6 Devices) : Electronics
Battery Door Housing Back Cover case For Logitech M705 Marathon Wireless Mouse | eBay
Price history & Review on 6mm Wireless Unifying USB Receiver Adapter for Logitech M185 M950 M720 M325 M235 M705 MK710 MK520 MK330 Mouse Keyboard | AliExpress Seller - AR Electrics Store | Alitools.io