This Is a Logitech M186 Wireless Mouse.

Reliable Wireless: Features a plug-and-forget nano receiver for a reliable 2.4GHz connection with no delays or dropouts. Long Battery Life: Operates for up to 12 months on a single AA battery. Compact & Comfortable: The contoured shape is designed for comfort and is ambidextrous, suitable for both left- and right-handed users. Precise Control: Utilizes an optical sensor for smooth and accurate cursor control on most surfaces. Recycled Plastic: Made with 49% recycled plastic, as indicated on the box.