EH0243B Features Adopts the top six-axis gyroscope technology with 360 degree grip design Remote range can be up to 15 m Combines functions of super energy-saving air mouse TV remote control， wireless mouse and game remote controller Smart anti-shake algorithms and cursor moving stabilization technologies General Specs Brand & Model T31   Type Air mouse Power 2 x AAA batteries (not included) Receiver USB2.0 Operation Range Up to 15 m Operation Systems Windows， Mac OS， Linux， Android Package Details Weight: 85.60 g Size: 20.5*10.5*3.00 cm Package Includes * T31 Wireless Air Flying Mouse