1.Automatic pop-up window,listen to the mellow sound and enjoy the quiet world. 2.HIFI sound quality of copper ring composite film.High quality music enjoyment. DSEE Extreme improve sound quality, new drive unit Support Hi-Res Audio Wireless.Adopted a true composite film and increased the magnet volume by approximately 20%. Generates high-precision noise reduction signal for low frequency range to enhance low frequency noise reduction performance. 3.Super standby time, 30h broadcast all day.Can meet approximately 30 hours of power demand throughout the day.By studying a large number of human ear contour data, has redesigned the shape of the G400 and Wearing form, so that the headset more closely fit the ear, wear solid, comfortable and light. 4.Exquisite packing with lamination film.