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