Charging function: With this solar remote control, there is no need to replace the battery. You can use the solar charging panel on the back to charge it by placing it in the sun. If there is no sunlight, you can also use a USB Type-C port to charge. Voice function: The voice function of this remote control makes it easier for you to watch your favorite programs. Simply speak into the remote control to search for content, change channels, adjust the volume, and more, giving you a truly intuitive viewing experience. Bluetooth pairing: ! ! This remote control needs to be paired. ! ! Operation method: Turn on the TV, point the remote control at the TV to be paired, and then press and hold the "Return" key and the "Pause/Play" key at the same time for more than 3 seconds. Four shortcut buttons: The remote control has four dedicated shortcut buttons for Netlix, Disney+, Prim Video, and Samsung TV Plus. These four buttons save you time and hassle, giving you quick access to your favorite streaming platforms. Compatible Models: 43Q60C 43Q70C 43Q80C 43QN800C 43QN850C 43QN850C 43QN85C 43QN900C 43QN90C 43QN95B 43S90C 50LS03C 50Q60C 50Q70C 50Q70C 50Q80C 50QE1C 50QN800C 50QN850C 50QN85C 50QN900C 50QN90C 50QN95B 50S90C 55LS03C 55Q60C 55Q70C 55Q80C 55QE1C 55QN800C 55QN8 50C 55QN85C 55QN900C 55QN90C 55QN95B 55S90C 55S95C 60Q60C 60Q70C 60QN850C 60QN85C 60QN90C 60S90C 65LS03C 65Q600C 65Q7 0C 65QN80C 65QN800C 65QN850C 65QN850C 65QN85C 65QN85C 65QN900C 65QN95B 65S90C 65S95C 70Q70C 70QN85C 70Q N90C 755LS03C 7. 5 Q60c 75q70c 75qqQE1C 75QN800C 75QN850C 75QN85C 75QN900C 75QN95B 75S90C 77S95C