Bluetooth 5.0 Receiver And Transmitter, Nfc-Enabled Wireless Adapter For Music Ombsyej Bluetooth 5.0 Receiver and Transmitter Multifunctional Interface----Supports 3.5mm (AUX and RCA) interface, optical and coaxial input, and can also insert U disk and TF card, allowing you to enjoy the music atmosphere anytime, anywhere. It also supports NFC-enabled mobile phone and tablet touch connection. One-second Connection----Turn on the RX switch(Receiver mode) of the wireless audio adapter, match your mobile phone, tablet, laptop or car stereo in one second. Turn on the TX switch(Transmitter mode) of the audio adapter , it will automatically connect your headphones or speakers. At the same time, it also has a memory function, which will automatically connect with the matched device after it is turned on. LED Digital Display and Infrared Remote Control----LED digital display allows you to clearly see the current operating mode of the device. The remote control supports all functions of the wireless audio adapter and supports signal switching/song switching/volume adjustment, etc. Long-lasting Power----Built-in 500mAh large battery can provide up to 10 hours of music time and stand by for 30 days, support simultaneous charging and streaming. ?PLEAS NOTE?----Please disconnect all other Bluetooth connected devices before try pairing, otherwise the connection cannot be successful?