-Transmit Audio to 2 Bluetooth Headphones or Bluetooth Speakers via Bluetooth.
-Tramsit via aptx, aptX HD, aptX LL and aptX Adaptive.
- Rich Interfaces: Optical In, Line in/out, Type-C DAC input, USB Host.
- Transmit to 2 Bluetooth devices and a line output simultaneously. 
- Easy to use: Free iOS & Android APP, easy and convenient to use for everyone.