What’s in the box?

1.         Headphones (BTHS-AS9S)

2.         Transmitter (BTTC-418-P)

3.         Optical audio cable

4.         AUX 3.5mm audio cable

5.         AUX 3.5mm to RCA adapter

6.         Power cable for transmitter (BLACK)

7.         Power cable for headphones (GREY)

Note: Starting from Batch number T22F1, the charging port on the HT4189 headphones has been changed to a Type C port.

You can buy these accessories on avantree.com or email support@avantree.com for help.