Supports voice input to chat with friends or input words via voice. Please note that the Voice Search Function can't across app, it only works for the built-in voice input search box or apps. You need to Download Google Assist app->set Google as theSupports voice input to chat with friends or input words via voice. Please note that the Voice Search Function can't across app, it only works for the built-in voice input search box or apps. You need to Download Google Assist app->set Google as the default Assist app to access istant->Press microphone button and the voice function open automatically. Easy to move the mouse arrow precisely. The 6-axis gyroscope sensor help accurately remotely control a TV or PC. The wireless air mouse comes with 2.4GHz RF. Supports stable and highly sensitive wireless control up to 10 meters away via the USB receiver(included). Supports almost all devices with USB input. Insert the USB receiver into USB port and start to enjoy the voice remote air mouse.