The Labsonic LS5750 school headset is built to withstand the rigors of classroom use. The audio quality rivals some high-end consumer models at a fraction of the cost. The high quality sound is produced from the balanced speaker drivers to create a well-defined treble and deep bass response. Features a flexible metal boom mic with noise-cancelling circuitry to help reduce external sounds when speaking into the microphone. This model excellent choice for computer labs, language labs, testing, reading recording programs and all speech to text applications. The LS5750 series of headsets have been evaluated and recommended by major testing consortiums for several years. Many of the largest U.S. school districts have listed this model as an acceptable choice for their school testing initiatives. Labsonic is known for the highest quality, best warrantied, and economically priced headphones & headsets in K-12 education. LS5750 model is a 3.5mm Dual Plug Headset is for computers and other devices that have separate jacks for audio and microphone inputs