This wireless keyboard and mouse combo delivers silent-key typing, precise cursor control and durability for busy school settings. Students and teachers enjoy full-size keyboard with F keys and number pad. Durable keys last up to 10 million keystrokes. Silicone cover tightly wraps keyboard to provide a liquid barrier tested to withstand frequent cleaning and disinfecting for safe, shared use. 1000 dpi advanced optical tracking mouse provides smooth control for easy clicking, scrolling and dragging. Contoured mouse supports allows left- or right-handed students and teachers to work with comfort and ease all day long. Out-of-the-box ChromeOSTM and Windows(R) compatibility. [1,2,3] [1] Number lock key excluded from 10 million keystroke life. [2] Tested to withstand 2,700 wipe cycles with alcohol; equal to 5 classroom sessions per day, 180 classroom days per year over 3 years. [3] This product has been certified by Logitech to meet Google's compatibility standards. Google is not responsible for the operation of this product or its compliance with safety requirements. Battery: - Battery Technology: Zinc-Carbon (Zn-C) Design: - Adjustable keyboard height: Yes - Keyboard style: Straight - LED indicators: Yes - Product colour: Black - Protection features: Spill resistant - Wrist rest: No Features: - Plug and Play: Yes - Wireless range: 10 Keyboard: - Connectivity technology: Wireless - Device interface: RF Wireless - Frequency band: 2.4 - Keyboard form factor: Full-size (100%) - Keyboard language: US International - Keyboard layout: QWERTY - Numeric keypad: Yes - On/off switch: Yes - Purpose: Universal - Recommended usage: Home - Spill-resistant up to: 60 Logistics data: - Master (outer) case gross weight: 6025 - Master (outer) case height: 22.4 - Master (outer) case length: 40.3 - Master (outer) case width: 30.6 Mouse: - Buttons quantity: 3 - Mouse battery life: 1 - Mouse battery type: AA - Mouse included: Yes - Movement detection technology: Optical - Number of batteries (mouse): 2 - Scroll: Yes - Scroll type: Wheel Packaging content: - Batteries included: Yes - Receiver dimensions (WxDxH): 14.4 x 6.6 x 18.7 - Receiver included: Yes - Receiver type: Unifying receiver - Receiver weight: 2 - Unifying receiver: Yes - Wireless receiver interface: USB Type-A Power: - Keyboard battery type: AAA - Number of batteries (keyboard): 2 - Number of batteries supported: 3 - Power source type: Battery - Service life of battery: 3 System requirements: - Linux operating systems supported: Yes - Other operating systems supported: ChromeOS - Windows operating systems supported: Yes Vendor information: - Brand Name: Logitech - Warranty: 1 Weight & dimensions: - Keyboard dimensions (WxDxH): 441 x 18 x 149 - Keyboard weight: 498 - Mouse dimensions (WxDxH): 60 x 39 x 99 - Mouse weight: 75.2 - Product.Details.Specifications.Level1: Server, Computer & Printer Parts - Product.Details.Specifications.Level2: Notebooks & Spare Parts - Product.Details.Specifications.Level3: Mice & Keyboards - Product.Details.Specifications.Level4: Keyboard & Mouse Combo