Headset and Handheld 2 in 1-microphonesThe head-mounted wireless headset Can be used as handheld mic,wireless make you more freedom to move around and demonstrate highlights or important facts, perfect for Fitness Instructor,Teacher, dancing instructor. Upgraded Wireless Mic SystemAdopt UHF(Ultra high frequency) wireless transmission technology, 160ft(50M) stable wireless connection at open areas. No delay and radiation, anti-jamming and clear sound quality. It can be used as removable portable karaoke equipment. 3.5mm / 6.35mm plug adapter receiver to connect more equipments. Easy to usePlease Turn On The Transmitter And Receiver Power Switches, The Blue Light Will Flash For Approximately 2s, Indicator Light Stops Flashing After A Successful Match, And Then You Can Use It. 2 In 1 Headset And Handheld Design, Easily Change The Handheld Mode To Headset Mode To Meet Your Needs. Not Supported Android Phones, Iphones, Macbooks, Laptop, Bluetooth Speaker. Wide CompatibilityUHF wireless microphone can be used with voice amplifier / high power speaker / portable pa system / mixer (with 6.35mm microphone jack) / karaoke microphone speaker system. We also provide adapters from 3.5mm to 6.35mm to help you make more choices. (The PC has no sound amplification Durable and WarrantyQuality Material, superior microphone and speaker for daily heavy use. If there is any question, please feel free to contact us, the customer service team will response in 24 hours. NOTE 1. The product size is measured manually, and there will be a 2mm error due to factors such as different measurement tools and measurement methods. 2. This product is all taken in kind, but due to differences in photography, lighting, color deviation, and personal understanding of color. As a result, there may be some color difference between the actual product and the photo, and the color is subject to the actual product. 3. Please take good care of our products~