The Amazfit GTR Lite 47 mm is very similar to the previous version of the Amazfit GTR 47 mm. They have the same stylish design, 1.39-inch touch screen, 24 days battery life, BioTracker PPG optical heart rate sensor and 5ATM water protection.
With a traditional design, Amazfit’s GTR Titanium is more of a fitness tracker than a smartwatch. Find out if it’s worth the buy. Source: Amazfit GTR Titanium: An elegantly crafted watch that doubles up as a fitness tracker
Blood oxygen measurement is a popular term today with Apple’s introduction of it on the Apple Watch. The affordable Amazfit Band 5 supports this sensor, heart rate, menstrual tracking, and more. Source: Amazfit Band 5 hands-on review: Advanced health tracking for just $50 Review | ZDNet