... -4 hours round speaker , portable, for mobile/notebook/mp3/mp4selling point1.Mini pop up, portable ... MP3, MP4 player, PC, computer, laptop, mobile phone etc.4.Use with rechargable battery,mini,portable, ... chargingFounded in 2006, Shinedee Plastics Electronics CO.,LTD mainly manufactures multimedia speakers, including mini speakers, ... ! round speaker, portable ,for mobile phone/notebook/mp4/mp3 (SP-105)