Bluetooth 5.0 Adapter, Bluetooth Transmitter and Receiver for Home Stereo Hi-Fi Audio with 3.5mm, RCA, Coaxial, Optical, NFC, Aptx-LL - for Home, Car, AV Receiver or Amplifier (M6)【Bluetooth receiver transmitter FM 3-in-1】: Bluetooth 5.0 upgrade NFC touch second connection, rich interface, compatible with AUX / RCA, digital optical/coaxial/USB/TF interface, powerful function, convert wired devices into Bluetooth function in seconds, 5 up to 10 metres remote control.【NFC Bluetooth 5.0, touch and connect】: NFC Bluetooth receiver. Built-in Bluetooth sensor orchip, the mobile phone is located near the NFC sensor area to connect in seconds, reducing the tedious manual connection with Bluetooth.【Rich Interfaces】: Built-in digital to analogue Bluetooth adapter, easily supports various AUX / RCA / digital optical audio devices, coaxial interface, plug and play.【High-definition sound quality, no delay】: NFC Bluetooth adapted, built-in ceramic antenna and signal amplifier, 10 meters transmission sound quality without delay, signal stability without jam, no drive, plug and play.