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The Fitbit Flex 2 usually costs around $60, but currently it's only $39.95 at Amazon.

This handy gadget will track your steps, sleep, distance, calories burned, and active minutes. There are LED display lights that illuminate as you progress towards your daily goal, so you can see how you're doing at a glance. The tracker also features SmartTrack to automatically recognize select workouts, and it'll light up and vibrate to give you text and call notifications. The free Fitbit app syncs wirelessly to track your progress and give you access to your stats, and can even give you personalized insights into your workouts and sleep schedule. You can customize the look with a replacement band too.

Admittedly, while the price is nice, this isn't the most modern fitness tracker. Lucky for you, it's Black Friday and there are tons of discounted Fitbits up for grabs.

See at Amazon

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