Logitech MK550 Wireless Desktop Keyboard Mouse Combo 3 Yrs battery life comfortable palm rest & adjustable tilt legs Laser-grade tracking side-to-side SPECS & DETAILS DIMENSIONS Keyboard Height x Width x Depth: 24 mm x 457.3 mm x 193.5 mm Weight: 805 g (w/o batteries) Mouse Height x Width x Depth: 41 mm x 65 mm x 120 mm Weight: 83g (w/o batteries, w/o receiver) SYSTEM REQUIREMENTS Compatible with: Windows® 10 or later, Windows 8, Windows 7, Chrome OS™ TECHNICAL SPECIFICATIONS MK545 ADVANCED Wireless Keyboard K545: 2 x AA alkaline batteries (pre-installed) Wireless Mouse M510: 2 x AA alkaline batteries (pre-installed) Battery weight: 24g / battery Keyboard 36-month keyboard battery life Familiar key shape and feel, whisper-quiet 3 tilt positions (natural, 4°, and 8°) Spill resistant design Abrasion resistant key print Advanced 2.4GHz wireless (10 meters) Wireless encryption Tiny USB receiver with Logitech Unifying™ Technology On/off power switch Caps lock indicator light Battery indicator light Mouse 24-month mouse battery life Contoured shape with soft rubber grips Full-size and ambidextrous shape Laser-grade tracking 7 buttons, scroll wheel On/off power switch Battery indicator light PACKAGE CONTENTS Wireless Keyboard K545 Wireless Mouse M510 Logitech Unifying™ receiver 4 AA alkaline batteries (pre-installed) User documentation WARRANTY INFORMATION 1-Year Limited Hardware Warranty PART NUMBER PN: 920-008696