Despite feeling unwell, you persevered through the pain, meticulously removing the glue and disassembling the parts. I truly admire your perseverance. Sometimes, these "old buddies" really do sound better than new ones; their richness and depth of sound quality are unmatched by today's fast-paced consumer products. Once your soldering iron arrives, this speaker will be brand new! However, when soldering the batteries, always keep your hand steady, pay attention to heat dissipation, and safety should be the top priority.