You can grab a nice discount on the Nothing CMF Watch 3 Pro for a limited time. If you're curious about whether you need a smartwatch but don't want to spend hundreds of dollars finding out, I have some good news for you. The Nothing CMF Watch Pro 3 is currently marked down to just $69 on Amazon , a $30 discount from its usual price. It has a surprisingly rich feature set for the price and would make a great workout or sleep tracker even if you already have a nicer smartwatch. Despite its very wallet-friendly price point, the CMF Watch 3 Pro has everything you'd expect from a modern smartwatch. There are health and fitness data points, including workout tracking and an optical heart rate monitor, and dual-band GPS means all of your runs or bike rides will be tracked with the utmost accuracy. Our reviewer Adrienne So tested her readings against the Oura Ring 4 and found they matched up, an impressive feat for such an inexpensive offering. There are some advantages to this price and feature set combination.…