Feature: 1. Designed to work as an ANT+, Bluetooth armband replacement, compatible with most popular heart rate monitors and sensors from brands such as LIVLOV, Wahoo, Powr Labs, XOSS, VorTec, and more. 2. Armband replacement width is 20 mm, length is 400 mm (15.7 inches). Fits arm sizes between 7.5–13 inches (19–33 cm). The comfortable, stretchy, and adjustable band can be worn on the forearm, biceps, or triceps. 3. Replacement strap is soft, breathable, sweatproof, and lightweight. Easy to install and remove, functions just like the original armband. Made from soft and durable material for a barely-there feel. 4. The armband is made of spandex material. Fully washable. 5. Nylon buckle design ensures a secure fit, ideal for running, swimming, yoga, cycling, outdoor sports, and home workouts. Material: Spandex Color: Black & Orange / Black & Green / Black Length: 400 mm Width: 20 mm Package Contents: 2 pcs Replacement Bands Note: Light reflection and differences in display screens may cause slight variations in color compared to the actual item. Measurement may vary by +/- 1–3 cm.