Dual connectivity with Bluetooth or 2.4GHz wireless connection USB receiver supports AES 128-bit encryption, preventing hackers from taking over your presentation or downloading viruses onto your device Antimicrobial infused protective finish to the material creates a cleaner surface, protects the presenter, and works continuously to prevent the growth of microorganisms Red laser pointer emphasizes key points 20-meter (65 ft.) range LED low battery alert Light indicator when USB receiver is detached Automatic sleep/wake feature Sleek and simple, the Control Plus Dual Mode Antimicrobial Presenter with Laser offers a simplistic button layout and integrated laser pointer, making it easy to give presentations. Connect the presenter via a USB receiver or Bluetooth and control your presentation up to 20 meters away. The USB receiver supports AES 128-bit encryption and seamlessly stores within the presenter. It even features a light indicator when the USB receiver is detached from the present