I am using this bluetooth wireless speaker from 1 year. And am very happy with this product. Its come with one speaker thats jbl go and one changing usb cable for changer the speaker. Its has descent size light weight . In jbl go we can connect it with bluetooth and AUX cable . Its comes with 500 mh battery . Its battery back up is 5 hours to 6 hours thats good . It is easy to carry from one palce to another palce and for travlling also. This jbl go gets changer in 30 min. Its has fast changing. I suggest tou guys to buy it.