Seego is a group workout monitoring system based on the hear rate. Seego provides Information in real time, it helps to optimize the training and stimulates a higher Motivation, individually and collectively. Seego uses the hear rate and the exercise work zones to establish a training by colours. Easy to understand, easy to manage and easy to follow. Seego offers the posiblity to monitor dozens of users simultaneously. Each chart autosizes when a new user come in. Seego uses a colour system very easy to understand and to follow. It is based on the aerobic ranges. Seego uses ant+ technology. The software has been developed for windows. Untill 70 users Simultaneously with one single receptor. Ant+® technology is digital, so no interferences and perfect