... 3.Play time 2-4 hours new mini speaker for mobile mp3 mp4selling point1.Mini pop up, portable, unique design, ... , TV, mobile phone etc.4.Use with rechargable battery,mini,portable,it can be with keychain to take along more ... Electronics CO.,LTD mainly manufactures multimedia speakers, including mini speakers, 2.0 speakers,2.1 speakers,card speakers and bluetooth speakers. We have 6 English speaking ...