Logitech MX Keys for Mac Wireless Keyboard - Space Grey - Connectivity: USB-A Receiver OR Bluetooth LE (Low Energy) - Cable: USB-C to USB-C - Battery: Lasts 10 days or 5 months with backlighting off - Backlighting: Ambient Light Sensors adjust the white backlighting (Turns on with Hand proximity sensors) - Range: Up to 10 Metres - Connect up to 3 devices - Requirements: USB Receiver: USB-A Port, MacOS 10.15, iPad OS 13.1 or later, iPhone 4S or later - 920-009560 - 12 Months Limited Warranty - Open Box

Manufacturer Warranty: 12 Months Limited Warranty

Manufacturer Contact Info: http://www.logitech.com, 1800 025 544