Presentation Remote, Doosl Rechargeable Wireless Presenter with LCD Display, 2.4GHz Wireless USB Powerpoint PPT Clicker

Presentation remote:Equipped with a LCD display with timer, clock and silent vibrating alerts function, which helps you manage time. The built-in hidden mini USB receiver is for your convenience.
Wireless presenter: Adopts top-grade microchip, up to 100 meters working range, 360-degree control and 2.4G RF frequency. Auto frequency hopping tech effectively avoids interference from others.
Multifunctional design: Supports Page Up/Down, Full Screen, Black Screen, Countdown Button, Clock Setting Button. Click Full Screen key for full screen; long press Full Screen for Black Screen/Exit.
Rechargeable battery: Built-in a 300mAh rechargeable polymer lithium battery. Charge the wireless presenter via a USB cable with the computer or wall charger in no time.
Operation system: Suitable for Windows 7/8/10, Windows 2003, XP, Vista, Mac OS, Linux, Android and PowerPoint, Keynote and Prezi softwares. It is compatible with USB 1.1/2.0/3.0 port.