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A new smartwatch may not solve all of life’s problems, but it’s a great investment if you’re looking to cut down on screen time, tackle your fitness goals, and answer work calls on the go. If you act quickly, you can even get a great deal while you’re at it: the Cillso T80 Smartwatch, normally $160, is just $21 when you apply an on-page coupon to score an additional 30% off before hitting add to cart.

With over 110 fitness modes, as well as practical everyday features like calling, notifications from your other devices, activity tracking, and a two-inch high-def touchscreen, the Cillso does everything you’d expect from a great smartwatch. Its pedometer tracks both your steps and distance traveled, and it’ll remind you to get up and move when you’ve been sedentary for too long.

Cillso T80 Smartwatch, $21 (was $160) at Amazon

Courtesy of Amazon

Along with counting steps, the T80’s all-day health-monitoring software keeps track of your heart rate, calories burned, and sleep quality. The watch’s companion app then compiles all this information into a weekly health report, allowing you to track the progress of your fitness journey. It also has a waterproof rating of IP68, so it’ll hold up to rain, sweat, and even handwashing, but you don’t want to wear it in a pool or hot tub.

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Whether you prefer newer Android or iOS devices or a mix of both, this smartwatch is a stellar choice, as it syncs with devices via Bluetooth 4.0. One shopper said the “battery life is impressive, and it pairs perfectly with my Android or iOS phone.” Other reviewers claim that its array of features rivals what you’d get with one of the more expensive name-brand options, calling it “reliable” and “comfortable to wear all day.”

Considering other models cost hundreds of dollars even while on sale, this deal isn’t a bad way to save $139. Just be sure to apply the on-page coupon before you add the Cillso T80 Smartwatch to your cart, and you’ll see the discount reflected at checkout. But hurry, because the Amazon Big Spring Sale ends tonight.