Zoook rocker chrome is the best bluetooth speaker in this price range of 1, 200.It have 5watt speaker & 1800mAh battry whichi is backup upto 5hr to 2hr long last battry as your usage of play song with Sd card or bluetooth. I was brought this prodouct on the Fastival of Diwali.Now I have this prodouct with out damage & it dose not have any internal problems of speaker.I recommand to buy this prodouct.That’s it bye.