... shielded 2.Built-in rechargeable lithium battery 3.Play time 2-4 hours round speaker , portable, for mobile/notebook/mp3/ ... beyond size3.Ideal to use with MP3, MP4 player, PC, computer, laptop, mobile phone etc.4.Use with rechargable battery,mini,portable, ... /CTN100Gift box size80*80*70MMOthers1pc USB cable for chargingFounded in 2006, Shinedee Plastics Electronics CO.,LTD mainly manufactures multimedia ...