Checkout this ,  Anker Soundcore Motion B, Portable Bluetooth Speaker, with 12W Louder Stereo Sound for $19.99 !!! 

• Upgraded edition: our original SoundCore Bluetooth speaker with bigger sound and stronger protection.
• Turn it up: Dual full-range drivers and an oversized bass radiator drop a huge 12W of stereo sound.
• Pool party proof: ipx7-rated casing offers impermeable protection, even during complete submersion.