The Adesso Xtream H2 features Bluetooth 3.0 wireless technology with a foldable and portable headphone design that stores and travels well. Powered by Neodymium magnetic drivers that deliver high quality sound. Never run out of Battery life with the iOS on-screen battery indicator. Make flawless hands-free phone calls by using the integrated omni-directional microphone. Up to 11 hours of talk time, 10 hours of playing time and 800 hours of stand by time. Full charge in 4 hours.