PLUG AND PLAY: remote with mini wireless keyboard is connected by a stable powerful 2.4GHz RF technology, just plug USB receiver,the transmission distance can up to 10 meters/ 394 inch.(2.4G meaning: wireless control , no need to aim at the screen, can operate the cursor in any direction)(Note: Most Samsung/Sony/LG/TCL/Roku smart TV,may not be compatible, it can be used on Firestick and Fire TV via an OTG female cable.). 3-in-1 MULTIFUNCTIONAL REMOTE : Mini wireless keyboard and 4 Axis gyration motion system:only have 45 keys button,but can enter all characters in one. Press "Alt""Fn" to switch to punctuation or letters characters,allows to be controlled accurately for motion sensing,it’s more convenient to operate in horizontal and vertical mode for typing. STRONG COMPATIBILITY: Support system Windows/Android/Mac OS/Linux, Applicable to: Android TV Box/Mini PC/Smart TV/Projector/HTPC/All-in-one PC/TV. AUTO SLEEP AND WAKE UP FEATURE: When the remote control for 15 seconds withot any operation,the remote control into sleep mode,blue light is off(Save Power). After the remote control ertering hibernation,press any key to wake up the remote control to enter the normal working condition.