Logitech M550 Wireless Bluetooth for Business, Home, Office, Light Sound Laptop, Desktop Computer, Medium black

System requirements: 1. Logi Bolt USB receiver -Requirement: Available USB ports Windows ® 10. 11 or higher version macOS ® 10.10 or higher version Linux ®； Chrome OS ™ 2. Bluetooth ™ Low power wireless technology -Requirement: Bluetooth ™ Low power wireless technology Windows ® 10. 11 or higher version macOS ® 10.15 or higher version Linux ® Chrome OS ™ iPadOS ® 14 or higher version Android ™ 8.0 or higher version Technical specifications: 1. Sensor technology: Sensor Technology: Logitech Advanced Optical Tracking Technology Rated value: 400 dpi Maximum value: up to 2000 2. Button: Number of keys: 3 (left/right keys, can serve as a scroll wheel for the middle key) 3. Battery: Battery type: 1 AA battery (included) Battery life when using Logi Bolt USB receiver: up to approximately 24 months Battery life when using Bluetooth: up to approximately 20 months 4. Connection type: Logi Bolt USB Receiver Bluetooth Low Energy Wireless reception range up to about 10 meters Wireless range 5. Optional software: Supported by Logitech Options+that supports macOS 10.15 or higher and Windows 11 or higher