We use affiliate links. If you buy something through the links on this page, we may earn a commission at no cost to you. Learn more. REVIEW – I’ve been using smartwatches since 2013 (the Pebble!), moving on later to models from Motorola, Apple, and Ticwatch.  The Amazfit T-Rex promises up to 21 days of … Continue reading Amazfit T-Rex smartwatch review