... ) New concept integrative portable mini speaker, with small bulk can play on the center of the palm4) Using high fidelity loundspeakers, the ... , more convenient and user-friendly, cost saving purchase batteries Music play mini speaker details Rechargeable lithium ion battery allows for an ... -8 hours of playbackLi-ion battery mini hamburger speaker Can play music by link to mobile phone,MP3,MP4,PC,IPOD ...