The Polar T31 Heart Rate Monitor Transmitter is a medium-sized chest strap that is designed to provide accurate and reliable heart rate measurements. Made from durable nylon material in a sleek black colour, this unisex adult device is powered by batteries with a battery life of more than 7 days. The transmitter features a coded signal and is compatible with various sports activities such as gym training and running. With its English language interface and comfortable chest strap, this Polar T31 model is an essential tool for fitness enthusiasts looking to track their heart rate during workouts.
eBay