Your observation is absolutely correct; working with these thin wires of Bluetooth speakers is really a matter of patience and precision.

I tried to solder as accurately as possible, and your tips will help me to do a better job. It is especially important to be careful when reassembling, because even a small mistake can cause the wires to come loose again.

Thank you for your valuable comment. I hope you will share your experiences and advice in our SLC-Home Repair Club in the future.