Lenovo Thinkpad Essential Wireless Mouse - Optical - Wireless - Radio Frequency - 2.40 Ghz - Black - Usb - Symmetrical : Target
Amazon.com: Lenovo 530 Wireless Mouse with Battery, 2.4GHz Nano USB, 1200 DPI Optical Sensor, Ergonomic for Left or Right Hand, Lightweight, GY50Z18986, Abyss Blue : Electronics