Waterproof Bluetooth Shower Speaker - Multiple Options. Oh, the joys of singing in the shower! With this wireless Bluetooth speaker you can hum along or belt out your favorite tunes while rub-a-dub-dubbing in the tub. Just suction cup this hands-free speaker to your shower wall and you can listen to your favorite music or podcasts (if you're into that) from your Bluetooth-enabled smartphone, tablet, or laptop. This shower speaker also doubles as a hands-free speakerphone so you won't ever have to run out of the shower to answer a call again! So buy this and Save 73% on Waterproof Bluetooth Shower Speaker - Multiple Options.