2.4G Wireless Mouse 1. Optical/Laser Track 2. Forward/Back ... Receiver 4. 2 AAA Battery G1302 2.4G Wireless Mouse OverviewWith ergonomic design, and a tiny, leave-in ... receiver, this 2.4GHz wireless mouse lets you get more convenience, more comfort.Use the ... to enjoy greater efficiency and performance when browsing the internet. 3.Ergonomically DesignWith the ergonomic design, you can ...