FEATURES Multi-device wireless keyboard with all-around performance for home or office Connect via Bluetooth or USB wireless dongle Easy switch between three saved devices (laptop, phone, tablet and more) Laptop keys with number pad Accessible shortcut keys and media knob improve productivity Rechargeable battery lasts 10 months* Custom desktop app: Saved profiles, programmable shortcut keys Switch between operating systems: Windows, iOS/Mac, Android and Chrome OS PACKAGE INCLUDES Keyboard 2.4GHz dongle SPECIFICATIONS GENERAL Weight: 470g including batteries Warranty: 2 year warranty Dimmensions: 14.5 x 5.5 x 0.96 in Battery: 800 mAh rechargeable battery, battery life will vary based on user/computing conditions Battery life: Estimated 10 months KEYS 95 silent keys (includes number pad) Shortcut keys: (e.g. Internet, e-mail, Media Keys, Volume); Device Switch keys; Operating system quick keys Key stroke distance: 1.8mm Drawing force: 0.8kgf Spring back: 7510gfSYSTEM REQUIREMENTS Connection 1: Bluetooth 5.2 Connection 2: Bluetooth 5.2 Connection 3: : USB wireless dongle (2.4 GHz) Wireless range: 30+ ft (10 m)COMPATIBILITYRecommended operating systems must have:Windows 10 or latermacOS 10.15 or later iPadOS 13.1 or later iOS 11 or later Chrome OS Android 7 or later Works with Surface