2-Pack Portable Bluetooth 20 Watts Big Boombox SMI440BTX & SMI438BTX HD Bluetooth Boombox Blast Rechargeable Waterproof Hi-Fi Speaker + Aux-in + Bass Boost + Bluetooth Waterproof Shower Speaker 2 Pack 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 + Waterproof Speaker, Splash Proof, Durable Speaker