... .Mini pop up, portable, unique design, small case give big and rich volume2.Stereo sound effect, wonderful bass, sound beyond size ... ,portable,it can be with keychain to take along more easily,can enjoy music anywhere and anytime5.Play time 3-5 hoursSpecification Frequency ... mini speakers, 2.0 speakers,2.1 speakers,card speakers and bluetooth speakers. We have 6 English speaking foreign trade sales ...