Clock/trainer for box and mma

Clock / timer for boxing and sports, simple and practical. Number of rounds: 1 to 30 or infinite. Duration of assault: In increments of 15s. Rest Duration: 10s increments. Optional audible 10 seconds before the end of break, 30s by the end of round. Optional vibration. 8 Sounds to choose for different ads. Up to 7 storable configurations. Playlist session.