Professional compatibility: our flexible chest strap replacement strap is perfect for cardiovascular monitors and fits various brands such as Mijin, Black Bird and Garmin. With a size of 17 cm x 3 cm x 2 cm and adjustable lengths of 70-105 cm, it offers universal adaptability. Robust design, powerful material: our heart rate strap is made of high-quality plastic. The durable workmanship guarantees reliable use and long-lasting quality, which retains its functionality even during intensive use. Comfortable training without restrictions: Experience effortless activities with our chest strap. The black colour matches any sportswear and the adjustable strap provides a comfortable fit during cycling and other sporting activities. Precise real-time measurement: our strap ensures precise and reliable heart rate measurements so you can track your fitness goals optimally. With a buckle spacing of 45 mm, it allows accurate positioning for effective performance monitoring. 5. Reliable compatibility and easy to use: this chest strap makes measuring your heart rate easier during exercise. Enjoy a smooth and efficient workout experience with our durable and versatile replacement band.