DSIT001 2.4GHz Updated Version Powerpoint Presentation Remote Control Multi-functional Laser Pointer for Multi-media, Control Distance: 100m TOUMEI Built-in speaker: yes

Built-in speaker: yes

and the expansion adapter board supports desktop computer Win8

Plug-in charging way

Temperature and humidity monitoring

USB output (power bank)1

DSIT001 2.4GHz Updated Version Powerpoint Presentation Remote Control Multi-functional Laser Pointer for Multi-media, Control Distance: 100m TOUMEI Built-in speaker: yes1. Wireless presenter, it is equipped with top grade microchip, up to 100 meters wireless range. Operating on 2. 4G RF frequency, it is an ISM free frequency and can be used world wide. It is made of nickel plating metal dome and silicone keypad, brings you comfortable touch feeling. 2. Comes with auto standby and deep sleep functions for energy saving and durable use, and equipped with a separate switch and effectively avoids unwanted power