Elivebuy via Amazon offers the Elivebuy Portable Bluetooth Waterproof Speaker for $25.99. Coupon code "FSDYGRP8" cuts it to $13.99. Plus, Prime memebrs receive free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, it adds $6.10.) That's $36 off list and the best price we could find. Featuring a microphone and suction cup, it allows you to listen to music and take calls in the shower.