SPECIFICATIONS Model: G3-200N Name: Energy-saving Wireless Mouse Type: Wireless Connection: 2.4G Hz Ergonomic Design: Symmetric Sensor: Optical Resolution: 1200 DPI Report Rate: 125Hz Buttons No.: 3 Receiver: Nano USB Receiver Power Source: 1AA Alkaline Battery System Requirements: Windows XP / Vista / 7 / 8 / 8.1 / 10 WARRANTY Service: the Playbook store. Offers 1-Year Service Warranty Only. Product: 1-Year Manufacturers Warranty (Kindly send us a message on how to claim the Warranty.)