... 3.Play time 2-4 hours Mini digital speaker,for mobile/notebook/mp4/mp3selling point1.Mini pop up, portable, unique design ... player, PC, computer, laptop, mobile phone etc.4.Use with rechargable battery,mini,portable,easy to take ,can enjoy music anywhere and anytime5 ... us now.Thank you! mini digital speaker,round,colorfull, for mobile phone/notebook/mp4 (SP-105)