[2-IN-1 USB TypeC DUAL-HEAD RECEIVER DESIGN]: Plug and Play,Widely Compatibility.The UBS Type C dual-head receiver design of the wireless presenter remote can meet most of your usage needs.Don't worry even if you encounter a situation where you need to temporarily change the device,this receiver can be ferred to a device with a different interface.The tail of the presenter clicker also comes with a magnetic storage design,which can better store the receiver without worrying about losing it. [ RING DESIGN & MULTI-FUNCTION ]: Pointer Presenter Remote Functions: Page Up/Down, Switch , Full Screen,Black Screen, Volume Control. The pointer for presentations is made of gentle anti-slip ABS material and silicone button which are comfortable, non-slip, portable and for using. The rubber ring also allows you to adjust the ring to fit your fingers. [RECHARGEABLE & LOW BATTERY REMINDER]: This wireless clicker for presentations comes with a rechargeable data cable, no longer need to worry about preparing batteries. The built-in large-capacity battery can be used for after charging for 1.5 hours which can fully meet your needs. [LONG RANGE WIRELESS CONTROL & RED LIGHT]: The wireless presentation clicker uses 2.4 GHz wireless radio frequency technology.Quick response, no delay or skipping. The Wireless Range is less than equal 100 FT and the Red Light Pointer Range is less than equal 328 FT , which can fully cover the entire indoor speech. Whether the light or dark of surroundings, whether the large or small space, the receiver can completely receive the signal from the click. Colour:Black Material:Plastic Package Contents: 1 * remote control 1 * receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.