Portable Bluetooth 20Watts Waterproof Indoor/Outdoor Speaker SMI440BTX HD and Hi-Fi BIGRock Blast SoundX Loud Speaker BIG Rechargeable Speaker + Aux-in + Woofer + Bass Boost Boombox Splash Proof (IPX4 Approved) Waterproof Speaker, Splash Proof, Durable Speaker Built-in rechargeable Lithium-ion battery, Built-in Speakers and Built-in Microphone Hands Free Function for Smart Phone, Hands Free Phone Calls 20 Watts Hi-Fi Sound Output Power and 6 Control Keys with Bluetooth Pairing Color Indicator Bass Boost Aux-line-in Jack ready for non-wireless audio connection