. English keys only!!! PN: 920-010352 / 920-010108 Wireless Connectivity Logi Bolt, Bluetooth Wireless Range 10 meters Service Life 10 million keystrokes Reliability MTTF > 150K Hours Mean Time To Failure of electrical components Battery 2xAAA batteries; up to 24 months5 Battery Indicator Yes Layouts See div on back Keyboard Size Full-size Number of Keys 109 Number Pad Yes / 10-key Typing Perfect Stroke Tilt Legs Yes Tilt Angles 0°, -4°, and -7° Backlit Keys No Illuminated Caps Lock Yes Illuminated Num Lock No Easy-Switch Yes / 3 Channels Logitech Options Yes - Options enabled keyboard Logitech Flow Yes - Compatible with Flow enabled mouse Product Weight 1160 g Product Dimensions 233 mm H x 456 mm W x 48 mm D Sustainability Graphite Plastics: 71% certified post-consumer recycled material6 Paper Packaging: FSC®-certified Software Logitech Options including Logitech Flow functionality for Windows and macOS (optional) IT Admin Mass Deploy Device firmware updates (DFUs); Logitech Options app