Improve your fitness training with the Polar T31 Transmitter Set Gen B. This heart rate monitor provides accurate measurement of your heart rate during gym and training sessions, weight lifting, yoga, and running or jogging. The set includes a transmitter and strap, with a battery life of 1 year and a manufacturer warranty of 2 years.

The Polar T31 Transmitter Set Gen B is suitable for both indoor and outdoor use. It is made of durable plastic material with a black color and comes in a medium size with elastic strap. The set also features chest strap, decimal and imperial measurement system, and a model number of Polar T31 Transmitter Set Gen B. This heart rate monitor is perfect for unisex adults and helps you achieve your fitness goals.