Hey!i m using this brand since 3 years and before few months ago I bought this one and I m totally satisfied with the quality of sound provided by this speakers.the sound output is very impressive with good bass it does not consume too much electricity.it is good if we talk about usage convenience .it contain 5 speakers 1 buffer remote and manual also u can control it it is good feature in this range if we talk about another feature it’s bass is very impressive and usb supported it is reliable and good product in this price range.