YKNIUFLY Armband Compatible with Garmin CIRQA Smart Band, 420mm Extended Nylon Upper Arm Band, Adjustable Elastic Nylon Bicep Arm Strap for Running Workout Fitness Sports.Midnight Black

• Perfect Compatibility： Custom tailored exclusively for Smart Band, seamless snug fit without gaps, easy to install and detach in seconds, no extra tools needed, fully compatible with the original watch case sensor position without blocking any function.
• 420mm Extended Length, Suitable for Upper Arms of Various Circumferences Total length 420mm, width 25mm, extended style designed for bicep wearing. It improves the short length defect of ordinary straps for larger arm sizes, works for upper arms in different measurements for men and women.
• Breathable Elastic Woven Nylon Material, Reduce Stuffy Sweat and Skin Discomfort Made of high-quality elastic woven nylon with sweat wicking and quick dry features. It keeps arms relatively dry during long-time high-intensity sweaty workouts, lowering the chance of itchiness and allergic red marks.
• Adjustable Slide Buckle for Stable Wearing During Intense Workouts Supports stepless tightness adjustment according to personal needs. The strap fits closely on biceps and maintains position well during running, weight training, cycling and HIIT training, reducing slipping risks.
• Bicep Wearing Helps Optimize Heart Rate Monitoring Accuracy Practical replacement option for original wrist straps. It lessens inaccurate heart rate and activity data caused by wrist shaking during exercise, helping obtain more stable monitoring records.

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