... time 2-4 hours new round speaker , for mobile/notebook/mp3/mp4selling 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 ... CO.,LTD mainly manufactures multimedia speakers, including mini speakers, 2.0 speakers,2.1 speakers, ... now.Thank you! new round speaker, for mobile phone/notebook/mp4/mp3 (SP-105)