Mouse Indicator Lights: Yes, there are battery-operated indicator lights. Spacement of Keyboards Yes, backlighting Bluetooth Low Energy Technology Connectivity 10 m Battery life Ten days on full charge, or five months when the backlight is off Physical Details 506.00g in weight, 131.95 x 131.95 x 20.97 mm in width, depth, and height PRESENTING DICTATION, EMOJI, AND MIC MUTE/UNMUTE KEYS More Intelligent Fn Keys You can now send emojis, mute and unmute your microphone, and enable talk-to-text by using the Logitech Options software, which is available for Windows® and macOS at www.logitech.com/options. SMART ILLUMINATION. MADE SMARTER. Your hands are detected by proximity sensors, which light up the keyboard as soon as your fingers get close. When you move away, the backlit keys automatically switch off based on the lighting conditions, saving power for those