Jbl is a very good product .sound is very loud so ia, m purchased jbl earphone this earphone and I am very happy . so lets start these features- bass is very power full and strong 3.5 mm jack . rubber is very comfortable and adjustable in the ear .and smar calling reciever and mic is inbuilt design is so preety wire is also so long . all device are supported . so, I am suggest to all of you to purchased this earphone and I talk to yo to very good response of these earphone.