Wireless mouse in Black for easily navigating a computer interface; uses 1 AA battery (included) 2.4 GHz wireless connection (does not support Bluetooth) with a 33-foot range; uses AES-128 encryption for added security; this mouse uses a small USB receiver that can stay plugged into your computer without obstructing other ports Compatible with Windows 7, 8, and 10 Product Dimensions: 4.1 x 2.9 x 1.5 inches (LxWxH) Everything is still brand new in the box. Remember to ALWAYS BUY FROM A TRUSTED SELLER.