Two modes of Bluetooth connectivity Bluetooth 3.0 or 5.0 for full compatibility with Bluetooth-enabled computer devices. Connect without using a valuable USB port. Cross-platform compatibility Works with Windows, Mac and Chrome operating systems. Bluetooth pairing and low battery indicator Lets you know that you’re properly connected and when it’s time to replace the batteries so you’re never caught off guard. Comfortable, ambidextrous three-button design Three-button scroll wheel design gives left and right-handed users the freedom to get the most out of the mouse, with contours that allow for pain-free extended usage. Quiet clicking For smooth, non-disruptive operation. Rest assured knowing you’re covered by Kensington. Simple, comfortable and easy to take on the go, the Pro Fit® Bluetooth® Compact Mouse offers two modes of Bluetooth connectivity (3.0 or 5.0), allowing for use with the widest possible range of Bluetooth-enabled computer devices. Features include cross-platform compatibility; pairing and low battery indicator; ambidextrous, three-button design; quiet clicking; and a three-year warranty.