EcoBoulder Waterproof Portable BT Speaker by ECOXGEAR

Play on standard AC wall power for continuous play, or up to 10 hours at full volume on the rechargeable battery. Bluetooth 4.1 streams audio wirelessly from up to 100 feet away via your Smartphone, tablet or any Bluetooth enabled device. Includes two 1/8″ (3.5mm) auxiliary audio input jacks to play from any wired audio source. Digital AM/FM radio with 6 preset. External microphone jack for PA or Karaoke use (mic sold separately). Two USB ports for portable device charging. Back-lit buttons and large LED display for night viewing. Oversized rugged wheels and telescoping handle for easy transport. Waterproof smartphone and storage compartment with USB charging port.