So say you are at the beach, a the pool or even hanging outside with friends. You are having a good time, but something is missing…good music! Bluetooth portable speakers solve this problem because they can be used with pretty much any smartphone and they do not require external power. So you can easily throw one in your bag and you will be good to go. Today we are taking a look at the Adesso Xtreme S2 Portable Bluetooth Speaker that features double bass subwoofer sound technology, multipoint technology so you can connect multiple devices at once, and even a built-in microphone to take calls. Is this the perfect device for summer? Read on as we find out!