Bluetooth 5.0 Subwoofer Head-Mounted Foldable Headphones - Built- Mic Wireless Call Folding Stereo Noise Cancellation Over Ear Soft Earmuffs Headset Features: ??【High appearance and high craftsmanship】Rose gold color matching, the mobile of light and, extraordinary, the streamlined and easy case cooperates with tacit understanding, creating the beauty of the shape, the right round body. ??【 Large-capacity and long-lasting battery life】Full power, listen to it when you want, 5.0 low-power technology, built- large-capacity lithium battery, convoy your wireless, low-power consumption, fast, 8 hours of use. ??【Powerful subwoofer headphones】active coil provides outstanding, generation of 40MM large active coil, PEEK diaphragm, low frequency shock, high-resolution unit with wide sound field, HIFI sound quality, highly restored the of. ??【Comfortable and soft】Comfortable close to the ear, soft ear cotton is comfortable to wear, long wear will not be uncomfortable, your ears. ??【Strong and stable, long life】The metal arm, stainless steel process is used the expansion, which is more assured when using, strengthening the ability of the earphone arm and making the service life longer. Product Description: Bluetooth reception distance: 10 meters Support card: 128M-16G Bluetooth chip: Bluetooth V5.1 Battery capacity: 600 Charging time: hours Standby time: 80 hours Call duration: 12 hours Frequency range:.402-.480 GHz