The Orange Theory Fitness OT Beat Core Chest Strap Heart Rate Monitor in size S/M is a high-quality fitness accessory designed for gym and training activities. Made by the reputable brand Orange Theory, this heart rate monitor is specifically designed for unisex adults and features a convenient chest strap for accurate monitoring of heart rate during workouts. With its vibrant orange color and focus on fitness technology, this product is sure to help enhance your fitness routine and provide useful insights to improve your performance in the gym. Made in China, this heart rate monitor is a reliable tool for those looking to track their fitness progress.