Liger Electronics via Amazon offers Prime members the Liger Waterproof Bluetooth Shower Speaker with FM Radio
in Gray, Pink, or Black for $15.99
with free shipping
. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $6.29.) That's the lowest total price we could find for a similar speaker by $1. This waterproof speaker features Bluetooth, FM radio, up to 15 hours of playback, and suction cup mount.