Save and manage your tennis racket information on your damper with an RFID tag. Type of rope, tension, playing characteristics. You will have the possibility to save the data of your racket in order to always play with the same tensioning and stringing characteristics. Set the protection so that only you and your stringer can access the data in order to prepare the racket according to your needs. Two workouts ago did you play very well? Perfect! Check how the racket was prepared and request it again!