Features:

This is a plug-and-play wireless receiver. And there’s no software to install.
Without complex settings requirement, you just need to simply plug it into your computer’s USB port.
You can easily find the quick access for buttons to different functions by touching.

Specifications:
Switch: Button
Material: ABS
Light Style: Beam Light
Light Color: Red
Class: 3R
Battery Power: 1 * 1.5v AAA Battery (Not Included)
Size: 130 x 90 x 40mm / 5.1 x 3.5 x 1.6inch (Approx.)
Control Distance: 10m-15m (The effective distance will change with the surrounding environment.)
Supported OS: win 2000, XP, Vista, Win7, Win8, Win10, MAC OS, Linux
Interface: USB1.1, USB2.0, USB3.0
Size: 65mm x 20mm x 11mm / 2.56 x 0.79 x 0.43inch (Approx.)
Warranty: 2-years warranty. You can get another USB receiver if you need it within 2 years. (for those who lost the USB receiver in daily life)

Packing List:
1 x Wireless Presenter Remote Control
1 x Ultra-thin Wireless Receiver

1 x User Manual