Keywords: ANC032，032，AUX, wired, can't work, bad sound quality
Due to the product special design -
For Product LOT NO. 17L1, 18D1, 18F1, 18F2 : Please recharge the headphones for 10-20mins (ensure and remain a certain amount of battery level of ANC032) when you found the sound quality is bad or can't work in wired mode.
For Product LOT NO. 18H1, 18J1, 18J2, 18L1,: Please switch off ANC if the battery is drained, otherwise there may be no sound in wired mode.
You can find the product Lot Number within a box on the headband -
If you found the above troubleshooting doesn't work please feel free to contact firstname.lastname@example.org