Forget Amazon Prime Day, Corsair’s wireless gaming mouse is under $30 Choosing the best wireless gaming mouse over a wired option is key if you need a helping hand to manage cables, or want a device that’s easy to take on the go with the best gaming laptop. Corsair’s Katar Pro Wireless may look small, but its optical sensor packs a punch and battery life is top tier at up to 135 hours on a single AA battery. With its current discount, it’s an even more enticing purchase for a budget wireless mouse. On Amazon US, it’s discounted 30%, with a new price of $27.99. It’s also on sale for Amazon UK customers, with a 22% reduction bringing the asking price down to £34.99.