Are you ready for the ultimate test of endurance? Amazfit is the Official Partner with Spartan ®, the world’s leading endurance sports and wellness brand, to test its recently introduced Amazfit T-Rex Pro smartwatch at obstacle course races across the US and Europe. As the Presenting Partner of Spartan’s upcoming Spartan Sprint™ obstacle course race in Palm Beaches, FL, the Amazfit T-Rex Pro is ready to be put to the test.