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 inches and 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 comfortable fit. 4. The armband is made of spandex material and is 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 different displays may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1–3 cm.