Q：Headphones don't work
A：1. Please rotate the headphones to ensure they are fully inserted.
2. Try a different pair of headphones that work on other devices. If they work, the device itself is fine.
3. Try using this headphone cable on another device. If it still doesn't work, the headphones are damaged and need to be replaced. If they work on another device, the problem lies with the USB port of that device, requiring testing and repair.
