Elastic Bicep Band Compatible with Amazfit Helio Strap & Helio Strap Pro Adjustable Breathable Elastic Water-Resistant Secure Fit

Compatible with Amazfit Helio Strap and Helio Strap Pro fitness trackers. Designed for upper arm and bicep wear during running, gym workouts, cycling, sleep tracking, and daily activities. Tracker not included.
Adjustable Sliding Buckle: The sliding buckle design makes it easy to adjust the fit. The strap adjusts from 130mm to 380mm / 5.1" to 15.0", helping you find a secure and comfortable fit for different wearing needs. Metal Frame Case for
Stable Holding: Built with a metal frame case to help hold the device securely in place. The covered frame design helps protect the device edge and keeps it stable during active movement, making it suitable for workouts and everyday wear.
Elastic Water-Resistant Woven Strap: Made with upgraded elastic woven material, this band feels softer, smoother, and more refined than many standard nylon or ordinary elastic straps. The water-resistant woven strap is suitable for sweat, workouts, and daily active use while maintaining a lightweight feel. Comfortable for
Sports & Daily Use: The breathable and stretchy sport strap is designed for long-lasting comfort during running, training, cycling, basketball, yoga, hiking, and sleep tracking. Wear it as a bicep band, arm band, wrist band, or ankle strap to match different fitness tracking scenarios