HP 150 Wireless Mouse,1600 DPI, 10 m Range, 2.4 GHz USB dongle for Instant connectivity, Ambidextrous, Ergonomic Design, Rubber Grip for All Day Comfort, 12 Month Battery, 

Control the scroll: Three buttons in one mouse Left click right click or center click on the dual-function scroll wheel You've got all the control you need in one fingertip Precisely right: With its 1600 DPI optical sensor this mouse works on almost any surface with astounding accuracy Stash it in your bag with your laptop and you'll be good to go No strings attached: Roam free from wires or clutter with a 24 GHz wireless connection via simple dongle Power Source Type: Battery Powered;Style Name: Ambidextrous Wireless Mouse Report

• Connectivity: Wireless
• Type: Optical
• Brand: HP