Features: brand new and high quality Our air remote mouse built-in microphone which can chat with family or input words via voice.it can'for t across app. Only works for the built-in voice input search box or apps. For Smart TV or for Smart Projector users, before purchasing, please make sure that your TV or Projector can be connected to a mouse and use normally (can test using a mouse). 3-Gyro and 3-Gsensor horizontal and vertical feeling for tv box,with voice function search easy operation. Support signal transmission from different angles. The actual space of this device will be affected by the electronic magnetic field, please make sure there is no electromagnetic interference in the working space or use an extension cord to connect the usb receiver. Specifications: Material:ABS Size:Approx.160x45x20mm/6.30x1.77x0.79in Net Weight:60g Package Includes: 1x Remote Control(battery is not included) note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.