<< 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 operation times can be displayed. * Select scoreboard type: Three types of scoreboard can be selected. * Match time display function: The game time can be displayed. * Whistle sound support: Press the whistle button to make whistle sound. * Guide to use voice support TTS (Text to Speech) service must be installed and voice support is possible. (Even without voice support, there is no problem using the app.) * How to verify TTS service installation -Smartphone menu> Preferences> Audio input and output> TTS settings> Enable "Sample Listen" -If it is disabled, you can connect to the market and install it by selecting to install audio data in TTS settings.