super battry backup i got this on 6 august and still i dont have charged it and i had used it lots of time and battry is still 50 sound quality is good bass is good for bass lover but not for someone who like super bass i got it for 1600 also it drop to price of 1300 in big billion day so wait for the sale best for this price range updated review after one year stil working very good even with very harsh care of this very durable believe me i have used so much very goog battry backup s