Specifications Brand MCHOSE Features 1 Tri Mode Connectivity Offers wired 2 4GHz wireless and Bluetooth connection options for versatile use 2 Ergonomic Design Specifically designed to fit medium to large hands comfortably reducing fatigue during extended use 3 High Performance Sensing Integrated with PAW3311 PAW3395 optical sensor for superior tracking accuracy and speed 4 Long Battery Life Equipped with a 500mAh 800mAh battery providing extended usage time 5 Lightweight Construction Weighs only 55g offering effortless control and high maneuverability Package Include 1x Mouse1x Receiver1x Charging Cable1x Anti slip Sticker1x User Manual