Manufacturer Description:

Suunto T4 guides you toward optimal fitness with individual training plans for frequency, duration and training effect. When? How much? How long? The Suunto T4 shows the way. With each use, the Suunto T4 adapts to your changing physiology, making on target recommendtions for achieving optimal physical condition. Whether you accept or decline a recommended workout is up to you - the Suunto T4 continues to adapt, mantaining an up to date plan for attaining your fitness goals. Features include heart rate, calories burned, quantified training effect, logbook, and speed and distance with optional Suunto POD's. Additional functions include dual time, date, alarm, and stopwatch with splits and laps. Equipped with optional PC POD and software, you can transfer data to your PC and easily maintain a personal training log. Read more