20. Shower Speakers
Waterproof Bluetooth speakers are a very nifty gadget which you can buy for under $25 from Amazon. You can use waterproof speakers in your bathroom for listening to songs and podcasts while you take a shower or while seeing a man about a dog. Wireless waterproof speakers are also useful during camping, beach parties and hiking trips. VicTsing Shower Speaker cost around $24 on Amazon (depending on the seller). It comes with a 5W Drive, suction cup to drain water, an MIC bluetooth speaker and is hands-free, so you can even pick up calls with it.
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