If you are an earphones importer or a manufacturer, a WPC license will be required especially the wireless earphones like Bluetooth earphones. Aleph India is a professional WPC consultant that is worth consulting in a bid to get the full process of getting the license. This certification is also referred to as WPC License or Equipment Type Approval (ETA) which guarantees that earphones work within the allowable frequency spectrums like 2.4 GHz and fulfill the requirements of regulation. It sets boundaries concerning output power, frequency range and electromagnetic compatibility in order to avoid interference with other wireless equipment. Approval is done on the basis of the RF test reports and technical documentation. It should also be properly labeled and traceable, be in accordance with the national regulations of safe, efficient and reliable wireless performance.