Amazfit T-Rex 3 + Helio Strap

T-Rex 3 Large 1.5" display, 1.88" (48mm) case, 2,000 nits brightness Over 3 weeks of battery life during typical use Dual-band GPS with detailed maps, and tracking disablement 170+ built-in sport modes, 400 alternative faces Built-in mic for AI voice control & speech-to-text message replies Helio Strap BioCharge™ energy monitoring to support recovery and peak performance 24/7 Health Monitoring; per second heart rate, sleep, stress, and more 27 workout modes including smart strength training and official HYROX Race mode Free Zepp App for tracking nutrition, sleep, stress and fitness progress Up to 10 days of battery life