... for mobile phones 1.Big sound2.Creative design 3.Portable mini speaker 4.use for ipod,iphone,mp3 player - abs ... , portable- 2*2W stereo speaker,- speaker driver: 50mm*2,- fold & unfold,- dock station- power source:usb charge,- support 4*AAA battery ... pc...3D sound technology with 2.0 channel speaker systemIn compliance with acoustics and aesthetics rationale Flexible sound with distinct tone levels ...