Pack a punch with this JBL Xtreme Large Splashproof Portable Bluetooth Speaker. Incorporating 4 active transducers and 2 visible JBL bass radiators, this impressive Xtreme Bluetooth speaker will deliver earth-shakingly powerful stereo sound. Equipped with a massive, rechargeable 10,000mAh Li-ion battery the supports up to 15 hours of playing time and dual USb charge out, this speaker will help to keep your music…