LCD DISPLAY: Show the battery state and remainning time for presentation
MULTIMEDIA FUNCTION: Page up/down, volume+/-, Play Slides/Pause, Black Screen/Esc,Etc.
VIBRATION ALERT: Elegant and easy to manage presentation time with vibration alert function
20 M RANGE: RF2.4G technology, up to 20 meters wireless range.
POWER SAVING: Auto standby, deep sleeping and low power LED alert
ERGONOMIC DESIGN: Easy to hold and operate, reduce fatigue when use for long time