PLUG AND PLAY: The WeChip remote with mini wireless keyboard connects with a stable and powerful 2.4GHz RF technology, just plug in the USB receiver, the transmission distance can be up to 10 meters/394 inches. (2.4G means: wireless control, no need to aim at the screen, can control the cursor in any direction) (\"NOTE\" - NOT compatible with most Samsung, Sony, LG, TCL, Roku, Smart TVs). 2-in-1 MULTIFUNCTIONAL REMOTE CONTROL: Wireless mini keyboard and 4-axis gyro system: has only 45 keys, but can input all characters. Press \"Alt\" \"Fn\" to switch to punctuation or letters, allowing precise control for motion-sensitive games, it is more convenient to use in horizontal and vertical mode for gaming and typing. (\"NOTE\" - NOT compatible with most Samsung, Sony, LG, TCL, Roku, Smart TVs). STRONG COMPATIBILITY: Supports Windows/Android/Mac OS/Linux systems, Applicable for: Android TV Box/Mini PC/Smart TV/Projector/HTPC/All-in-one PC/TV. (\"NOTE\" - NOT compatible with most Samsung, Sony, LG, TCL, Roku, Smart TVs). AUTOMATIC SLEEP AND WAKE-UP FUNCTION: When the remote control is not used for 15 seconds, it enters sleep mode, the blue light turns off (saves power). After the remote control enters sleep mode, press any button to wake the remote control to normal working mode. (\"NOTE\" - NOT compatible with most Samsung, Sony, LG, TCL, Roku, Smart TVs). CONVINCING AFTER-SALES SERVICE: If you are unsure whether your media player can use this remote control to replace the original remote control, please contact us before purchasing. If you have any problems with the remote control after receiving it, please contact us, just find your order, click \"contact seller\" for help, we will solve it for you, so don't worry, just order it with confidence now.