Logitech R500S Laser Presentation Remote with Dual Connectivity Bluetooth or USB 20m Range Red Laser Pointer for PowerPoint Keynote Google Slides Mid Grey SYSTEM REQUIREMENTS Logitech Proprietary Receiver Available USB port required Windows® 10,11 or later macOS X 10.12 or later Chrome OS Linux 2.6+ Bluetooth connection Bluetooth Required Windows 10,11 or later macOS X 10.12 or later iOS 8 or later Android™ 5.0 or later Internet connection for software download TECHNICAL SPECIFICATIONS Laser Class_ 1 laser Max output_ less than .039 mW Wavelength_ 640-660 nm (red light) Battery Battery_ 12 months + 1 extra week without laser pointer 4When your battery is low, the R500s goes into a 'power-saving' mode – disabling the laser to extend battery life so you can continue presenting for an extra week. Battery life may vary based on use and computing conditions. Indicator Lights (LED): Battery and Connectivity LED Connectivity Connection Type_ Bluetooth low energy technology and 2.4GHz wireless connection Wireless range_ 20 m PACKAGE CONTENTS Presentation remote USB Dongle 1 AAA Battery User documentation DIMENSIONS Presentation remote Height_ 123.6 mm Width_ 36.6 mm Depth_ 24.7 mm Weight_ 48.4 g, included Battery (not including Receiver) Receiver Height_ 6.6 mm Width_ 17.5 mm Depth_ 25.0 mm Weight_ 2 g WARRANTY INFORMATION 1-Year Limited Hardware Warranty