MCMike Cheninpoolside-notes.hashnode.dev·1d ago · 2 min readWhy “waterproof Bluetooth” still dies mid-lap — and three ways people actually listen while swimmingIf you’ve ever bought “waterproof Bluetooth earbuds” for the pool and lost the music the second your head went under, you’re not crazy — and it usually isn’t a fake listing. Water absorbs 2.4 GHz Blue00