Bluetooth 5.0 Subwoofer Head-Mounted Foldable Headphones - Built-in Mic Wireless Call Folding Stereo Noise Cancellation Over Ear Soft Earmuffs Headset Features: High appearance and high craftsmanship 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. Large-capacity and long-lasting battery life, listen to it when you want, 5.3 low-power technology, built-in large-capacity lithium battery, convoy your wireless music, low-power consumption, fast transmission, 18 hours of use time. Powerful subwoofer headphones active coil provides outstanding bass, a new 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. Comfortable and softComfortable close to the ear, soft ear cotton is comfortable to wear, long time wear will not be uncomfortable, your ears. Strong and stable, long lifeThe 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 service life longer. Product Bluetooth version: Bluetooth V5.3+EDR Transmission distance: 10 meters Charging duration: 2.5-3 hours Lamp on usage time: about 5 hours Light off usage time: about 18 hours Standby time: 120 hours Battery: 2000mAh rechargeable polymer battery Function: Adjust volume, songs, calls, reject calls, hang up calls, Bluetooth playback, calls, Bluetooth callback, voice prompt, battery display, MP3, FM radio, Sirs wake-up, with lighting Package includes: Bluetooth headset*1