Upgrade your Amazfit Helio Strap with the TUDIA Stretchable Wrist & Armband Case, a versatile 2-in-1 solution designed for athletes, fitness enthusiasts, and everyday training. Precision-engineered exclusively for the Amazfit Helio Strap tracker, this integrated protective case and elastic band combination lets you quickly switch between wrist and upper-arm placement for the ideal fit during different workouts. The premium stretchable elastic band expands from approximately 4.7 to 14 inches, providing a secure, slip-resistant fit during running, strength training, cycling, HIIT, and other high-intensity activities. A rugged metal protective housing surrounds the tracker to help guard against scratches, impacts, and everyday wear while maintaining a lightweight profile. The continuous-loop elastic design slides comfortably over your hand without bulky buckles or complicated adjustments, delivering all-day comfort and reliable stability throughout your workout. Includes one protective case with stretchable elastic band. Tracker module not included. | Tudia | | Wrist & Armband Case for Amazfit Helio Strap 2-in-1 Elastic Fitness Tracker Band with Protective Case | Army Green | Best Buy