DinoFire Wireless Presenter RF 2.4GHz USB Presentation PowerPoint Clicker PPT Remote Control Pointer Slide Advancer Support Mac

Dear buyers, all of our presenters enjoy 3 years warranty & free USB receiver if lost within two years. We take care of every problem you meet, with 100% money back guarantee. Transmitter Features:  Material: ABS  Light Style: Beam light  Light Color: Red  Class: 3R  Battery Power: 1 Pcs 1.5v AAA Battery (Not Included)  Size: 5.1x3.5x1.6inch (Approx.)  Control Distance: 33-50ft Receiver Features:  Material: ABS  Supported OS: win 2000, XP, Vista, Win7?Win8?Win10?MAC OS, Linux  Interface: USB1.1, USB2.0 USB3.0  Size: 2.56 x 0.79 x 0.43inch (Approx.)  Package listing:  1 x Presenter remote control  1 x Ultra-Slim Wireless Receiver  1 x User Manual