Hi-Fi Sound Effect. It supports APTX HD, APTX LL and APTX, offering you immersive music experience.
NFC Function. It will automatically connect with your phone after you enable the BT and NFC fucntion.
Transmitter Mode (TX). It converts the audio signal of audio transmitter like TV to BT signals and send them to BT devices like BT headset, etc. And you can connect with 2 BT devices like BT headset, etc.