Andoer FM4 Magic 2.4G Wireless Remote Controller for Android TV Box Smart TV TV-Dongle PC Projector 2.4G Wireless Remote Control. 2.4G RF wireless technology, high bandwidth, high stability. The Remote Control Distance is up to 10m. Cursor is changed to switch on or off Comes with USB Receiver Adapter, supports Plug and play, and CD-ROM installation is free, it is specially designed for Android system to realize human-computer interactions, and enhance the feel of experience.