The Logitech G603 LightSpeed wireless gaming mouse is down to $49.99 on Amazon. This mouse usually sells around $60. We did see a one-day Amazon daily deal back in June when the mouse dropped as low as $43, but outside of that today's deal is its lowest drop.
The G603 uses Logitech's next-gen Hero optical sensor, which gives it extreme performance and power efficiency. With two AA batteries, you'll get 500 hours of non-stop gaming. The mouse will still work on one battery, too, so you can make it lighter if you want. The LightSpeed wireless technology has a 1 ms response time that's as fast as a wired mouse. You can use either LightSpeed or Bluetooth to easily connect multiple devices to the same receiver and switch between them with the push of a button. You'll find six programmable buttons along with on-board memory that saves your settings.
The G603 works with PC, Mac, and both Android and iOS tablets.
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J.D. Levite has been in the deals game since 2012. He has posted daily deals at Gizmodo, The Wirecutter, The Sweethome, and now covers deals for Android Central, iMore, and Windows Central. He was there for the first Prime Day and has braved the full force of Black Friday. If you cut him, he bleeds savings. But don't try it for real. That's a metaphor.