Basstyle TB-26S IPX4 Waterproof Cylinder Loud Speakers 

This is the best speaker I've gotten so far, in the box it comes with the: speaker, aux cord, micro USB, and a manual. It can be connected wirelessly to smart phones, tablets, and computers to play music and make phone calls. Because of the powerful battery, the speakers gives 8 hours of full stereo sound. The waterproof feature lets you use the speaker when taking a shower/ bath. On the bottom of the speaker is where the aux input, and where the micro USB plug-in is located. On the top of the speaker is where the power button is, when the power button is pushed there will be a tone and the LED light will flash blue. To connect your device turn on the Bluetooth, and search for "BT SPEAKER" then click on it. On the front of the speaker is where the +/- and pause/play button is located. To adjust the volume just short press the + or - button, and to skip a song or go back to a song long press the +/- button. To answer and end a call short press the pause/ play button. The LED light can tell the status of the speaker like if the aux cord is connected or the charging status of the speaker . It has a transmission range of 10 m or 33 feet. Overall I'm really amazed by this speaker, it has amazing sound quality and incredible bass. Its design makes it easy to carry around, and I love the color that it comes with. I go fishing a lot so this speaker is perfect because of its waterproof design. It has clear sound quality with no static sound. It also comes with a 18 month warranty just in case it stars to malfunction. I give this speaker 5 out of 5 starts and would highly recommend, it's definitely well worth the money. 
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Link to product: http://www.amazon.com/gp/product/B00ZS5YT2C?ref_=pdp_new_dp_review