The MX Master 3, with its multi-function buttons and wireless connectivity, supports efficient work. - Model Name: MX Master 3 - Brand: Logitech - Connectivity: Wireless - Battery Capacity: 500mAh - Features: Multi-function buttons - Color: Dark Gray Thank you for looking. I am selling this because my computer setup has changed. Thank you for your consideration. Please refrain from negotiating prices in the comments section.