Specification: Brand: Logitech Model: ERGO M575 Color: Black, White (Optional) Sensor technology: logitech optical tracking technology Rating:400dpi Maximum dpi: up to 2000dpi Number of buttons:5 Battery life: using USB receiver up to 24 months; using Bluetooth up to 24 months * (*battery Life may vary based on user and computing conditions) Connection: Bluetooth + USB wireless Wireless technology: 2.4 GHz Wireless operating range: about 10m/32.8ft (based on user and computing conditions) System Requirements:for MAC OS 10.14 or higher versions; for Windows 7 or higher versions Mouse Size: 134x100x48mm/5.27x3.93x1.88in Mouse Weight: about 155g Receiver Size: 18.7x14.4x6.1mm/0.73x0.56x0.24in Receiver Weight: about 1.8g