The LS375T school headsets are an excellent economical choice for computer labs, language labs, testing, reading-recording programs, and all speech-to-text applications. They have been evaluated and recommended by major testing consortiums for several years now. Many large school districts list this model as an acceptable choice for their schools testing initiatives. Labsonic is known for the highest quality, best warrantied, and economically priced headphones & headsets in K-12 education. The LS375T by Labsonic has a 3.5mmm single plug (TRRS) that combines headphone and microphone functions in a single plug. Use with laptops, Chromebooks, tablets, and other newer devices that have a single jack. It features an internal foam windscreen that minimizes breath-popping, improving accuracy in speech-to-text, reading, and testing applications.