* Mini and portable, convenient to use, you can control the devices while sitting at your couch.* 2.4GHz wireless transmission, enjoy long-range distance up to 10m.* With USB 2.0 receiver adapter, plug and play, no driver needed.* Suitable for Smart TV, Android TV Box, PC, projectors and more devices.* With voice input function, very convenient to use.Mini portable, easy to use, you can sit on the sofa to control the device.2.4GHz wireless transmission, up to 10 meters long distance.Using a USB 2.0 receiver adapter, plug and play, no drivers required.Applicable to smart TV, Android TV box, PC, projector and other equipment.With voice input function, it is very convenient to use.