... lecturingFeatures:1. wireless keyboard2. World's most mini keyboard mouse presenter combo3. Specific multi-media remote control and Touchpad ... presenter function handheld keyboard4. Backlight function with a handheld keypad 5. 2.4G wireless receiver integrated design 6. Touchpad ... Whether it is teaching, training, or speech, keyboard, mouse, laser pointer in one hand and hand, three-dimensional ...