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 - Newegg.com
Logitech M510 vs. M705: Which Should You Choose?
Logitech Marathon Mouse M705 Review - RTINGS.com
Logitech M705 Marathon Wireless Mouse with 3Y Battery Life
Amazon.com: 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) :