Around 80 hours for music play and a short 10-minute charge giving 11 hours playtime. Industry-leading Planar Magnetic Driver bringing Hi-Res certified audio with cleaner sound, greater resolution, better imaging, as same as true professional recording powered by proprietary audio system. Most advanced Micro processing system, making telephone communication like face-to-face communication. Enable a variety of advanced functionality-customized EQ setting, control setting, cushion setting, etc. The lightest weighted over-ear planer headphones for all day use, and an additional set cooling-mesh ear-cushion for on-the-go or travelling use.