Brand：OKCSC Innovative Mute Function Our headphones have a unique mute function that allows you to turn the microphone on and off with a separate button. It cancels out other noises you don't want to hear from other people. ABS Integrated Earphone The earphone case is made of aluminum alloy, which reduces weight and provides comfort while ensuring durability. The interior adopts CNC engraving technology to form a unique pattern, which is both anti-slip and beautiful. More Choices USB-A / USB-Type C / 3.5mm Plug Three types of plugs are available. The connectors do not require any miscellaneous installation, just plug and use. Design of Two Microphones The two microphones are installed separately and controlled independently, with high sensitivity. Not only has one-button mute function, but also can control volume, play/stop/call, previous/next song function. Quality Sound Equipped with a 10mm dynamic drive unit, it not only balances the high/mid/low sound ranges and reproduces more 3D surround sound effects, ,enough for everyday use. Cable Length（1.2m/2.5m） This new A20 headset uses a wire called "fish scale line". The black cable is engraved with fish scales, which is easy to carry, soft and comfortable, and not easy to knot. High-Performance Headphones Multi-person meetings in public/Accept remote interviews/Play online games with your friends/"Live streaming"/Outdoor video recording ，etc.This is the best option if you want high-performance headphones for every situation. It is widely used in all kinds of work or leisure occasions