1.[Powerful Subwoofer Headphones]High-quality active coil provides outstanding bass, a generation of 40MM large active coil driver, PEEK diaphragm, low frequency shock, high-resolution unit with wide sound field, HIFI sound quality, highly restored the essence of music. 2.[High Appearance and High Craftsmanship]Rose gold color matching, the mobile of light and shadow, extraordinary, the streamlined and easy case cooperates with tacit understanding, creating the beauty of the shape, the right round body. 3.[Large-Capacity and Battery Life]Full power, listen to it when you want, 5.0 low-power technology, built-in large-capacity battery, convoy your wireless music, low-power consumption, fast transmission, 8 hours of use time. 4.[Wireless Bluetooth Headset Strong and Stable, Long Life]The metal arm, stainless steel process is used in the expansion, which is more assured when using, strengthening the ability of the earphone arm and making the life longer.