On 12 October 2021, Huami, unveiled three new watch models under its Amazfit brand: GTR 3, GTS 3, and GTR 3 Pro. With this launch Huami debuted its Zepp OS and its long-awaited blood pressure sensor which is only available on the GTR 3 Pro model.
Amazfit GTS 3, GTR 3 & GTR 3 Pro watches debut Zepp OS - Tech Advisor
Amazfit GTR 3/GTR 3 Pro and Amazfit GTS 3 arrive with Zepp OS, app support, and a refreshed look - Gizmochina
Amazfit GTR 3 Pro vs GTR 3 vs GTS 3: Which Should You Buy?
Amazfit US Online Store - GTR 3 Pro Smartwatch
Amazfit GTR 3 Pro, GTR 3, GTS 3 smartwatches now official
Amazfit GTR 3 vs Amazfit GTS 3
Amazfit GTR 3 Pro, GTR 3, and GTS 3 get a new software update
Amazfit GTR 3 Pro vs Amazfit GTR 3 vs Amazfit GTS 3
Zepp Health Releases Amazfit GTR 3 and GTS 3 Series Smart Watches - Pandaily
Amazfit GTR 3, GTR 3 Pro and GTS 3 smartwatches are official and looking good - PhoneArena
