The remote control can be used to search and play the title you like by speaking the remote while holding the voice recognition button.4T-C40BJ1 4T-C45BL1 4T-C45BN1 4T-C50BL1 4T-C50BN1 4T-C55BL1 4T-C60BN1 4T-C70BN1 8T-C60BW1 8T-C70BW1 equipped with a powerful wide angle infrared range, operating distance of approximately 8 and left and left and right Controllable angle is approx. 120 degrees. It is not limited to the distance or angle, and is easy to operate from every corner of the room.New Upgraded Smart ChipStrong signal is transmitted further by infrared technology for multi-angle sensing.Maintains the same full control features as the original Sharp SHARP-AQUOS remote.