... input,mp3/mp4 built-in2G-8G storage,TF slot,USB port pocket USB projector DescriptionB106Technical specification1. Display technology: LCoS (liquid crystal ... directly via DVD,STB, IPhone, PSP and other devices14. USB port: high-speed USB2.0 transmission up to 4MB/S15 ... source: battery or adapter 27. Battery: built-in removable lithium-ion battery , support longtime mobile use(up to 90 minutes)28 ...