Logitech MX Anywhere 3 Wireless Mouse - Pale Grey - USB Receiver or Bluetooth Connection - DPI: 200 - 4000 dpi - Nominal value: 1000dpi - Sensor Technology: Darkfield High Precision - Battery: Rechargeable Li-Po (500mAh) battery - Up to 70 days (depending on usage) - 910-005993 - 12 Months Limited Warranty - Open Box

Manufacturer Warranty: 12 Months Limited Warranty

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