Pair with your Suunto heart rate monitor or compatible gym equipment via ANT or inductive technology to receive accurate heart rate information. Compatible with all t Series products. FEATURES: Suunto Dual Comfort Belt is comfortable heart rate belt optimized for fitness club usage. It is compatible with most cardio equipment, as well as Suunto Fitness Solution, and all Suunto heart rate monitors. FEATURES: Disturbance free ANT transmission. Analog inductive signal for cardio equipment compatibility. Seamless strap adjustment. Comfortable Suunto textile strap. User replaceable battery.