Koss Corporation, together with its subsidiaries, engages in the design, manufacture, and sale of stereo headphones and related accessories in the United States, the Czech Republic, Sweden, Canada, Korea, Republic of Belgium, Malaysia, and internationally. It offers high-fidelity headphones, wireless bluetooth headphones, wireless bluetooth speakers, computer headsets, telecommunications headsets, and active noise canceling headphones. The company sells its products through distributors, international distributors, audio specialty stores, the internet, national retailers, grocery stores, electronics retailers, and prisons under the Koss name, as well as private label. It sells its products to distributors for resale to school systems, as well as directly to other manufacturers. The company markets through domestic retail outlets and numerous retailers. It exports its products. Koss Corporation was founded in 1953 and is headquartered in Milwaukee, Wisconsin.