I've been using Logitech's very popular Performance Mouse MX for the past couple of years and it has treated me well. Earlier this year, Logitech released an even better mouse: the MX Master. The major improvements include the ability to quickly switch between three devices and that you no longer need to use a USB dongle. Should you buy it? Is the MX Master worth upgrading from the Logitech Performance MX? Watch our hands-on review.
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