Vtin R2 is awesome! It's IPX6 waterproof meaning that this bluetooth speaker is easy to clean and may rent with water if it gets dirty also can handle steam from a shower or heavy rain so if you leave it in the rain it's gonna be okay. It comes with a 12 month worry free guarantee the speakers are 14 watts and they're really loud especially for its size, as for battery life you're getting about 20 hours if you play it at 50 to 70% volume and charging it up takes about 3 hours. Inside the box you get an auxilary cable that allows you to plug this from your phone or your tablet or some other device directly into the speaker also comes with a micro USB charging cable. Controls are easy at the top you're gonna find buttons for power, bluetooth, play/pause, volume and a bass track that give you more bass in your music. A FM Radio at the same time a bluetooth speaker it's a best buddy specially when your on too hiking, travelling, outing, etc.
It has a built it microphones so you can use this as a speakerphone to call or talk anyone with a clear sound.