JBL Speaker Charge 4 

JBL Charge 4 is the ultimate, high-powered portable Bluetooth speaker with powerful stereo sound and a power bank all in one package. The Charge 4 takes the party everywhere, poolside or in the rain, thanks to the waterproof design, durable fabric and rugged housing. Its high-capacity 7500 battery provides 20 hours of playtime and can charge your smart phones and tablets via its USB output. A built-in noise and echo-cancelling speakerphone gives you crystal clear calls with the press of a button. Wirelessly link multiple JBL Connect-enabled speakers to amplify the listening experience.