<< Multi-function volleyball scoreboard guidance with match result management and audio guidance >> * Score voice support option: The score will be taught by voice on your smartphone. (* See usage) * Scorol score operation: You can easily operate the score by touch scroll. Scroll up = score cut, scroll down = lower score * Match result save function: Match results are automatically saved for each set, so you can check back at any time. * Operation time display function: The number of operati