I am selling this item because it was larger than I expected when I purchased it. I have opened the package, but I will send it in the original packaging. High-performance mouse with Bluetooth connectivity and forward/back buttons. - Model Name: SIGNATURE M750 - Size: Regular - Connectivity: Bluetooth - Features: High-speed scrolling, forward/back buttons, switch between 3 devices - Warranty Period: 2 years Thank you for looking.