?Warranty Services?: Products include: lapel microphone *1, wired headphones *1. This headset can be used for video calls, live broadcasts, meetings, video recording, classes and other occasions. If you have any questions on the product, please feel free to contact our customer service, we will reply to you as soon as possible. ?Widely Compatible?: The product includes two plug models: USB/Type-C, compatible with most computers and laptops. USB A Headphone with Windows 7/8/10/XP/Vista, Mac OS X, iOS,Windows 7/8/10/XP/Vista, Mac OS X, iOS, Android, Tablet PC, Chromebook, Kindle Fire,Android, Tablet PC, Chromebook, Kindle Fire, and other USB plug devices. ?Durable Material? : Fish scale cable is flexible and durable. The cord is not easy to wind and there is no need to worry about breaking. The A30 conference earphones are ergonomically designed to fit close to the ear and are effectively shielded from most ambient noise. ?Lapel Microphone?: The lapel microphone is closer to the mouth, and the sound collection performance is improved. The sensitive microphone can produce noiseless speech, which can be fixed in the position you need at will to achieve the best use effect. ?Unique Design? : Different from ordinary wired earphones, this product highlights the microphone function, mainly for people who have unique needs for microphone. Our omnidirectional microphone earphones are compatible with most computers and laptops, and can be easily used in a variety of live broadcasting, meetings and other occasions.