TUDIA 2-in-1 Bicep & Wristband Compatible with Amazfit Helio Strap [Case Band Only], Heavy Duty Protection Adjustable Stretchable Arm/Wrist band, One Size, Zinc Alloy Nylon, No Gemstone

[Compatibility] Snap-on protective case with adjustable band designed to fit & compatible with Amazfit Helio Strap/Helio Core. Not compatible with other devices or smart rings. [Arm/Wrist Size] Fits a wide range of sizes from 12cm up to a maximum stretch of 35cm circumference. This versatile range allows for a secure, non-slip fit on both the wrist and the arm. [Effortless Installation] To swap frames, simply press the device downward from the top to remove it from the original housing. To install, align the device with the new frame and firmly press it back into place from below until it is securely seated. [Fully Adjustable Fit] Easily customize the size by pulling the outer strap to extend the band or the inner band/buckle to shorten it to fit arm or wrist. Designed as a continuous loop, the band is worn by simply stretching the elastic material over your hand (DO NOT OPEN OR ADJUST THE HOOK & LOOP CLOSURE). The stretchable material provides a snug, comfortable fit that transitions seamlessly between your wrist and bicep. [Durable Protection] Durable frame safeguards your fitness tracker from everyday bumps, scratches, and impacts, offering a rugged yet sleek metallic shield that outlasts standard plastic covers.