WPC-ETA APPROVAL FOR WIRELESS HEADPHONES WPC-ETA Approval is mandatory for all the Wireless-Headphones. So the manufacturers or importers must have license to sell their products in the market. With the team of experts Aleph INDIA QMS assists the manufacturers or importers to get their products tested and approved under the guidelines of various government authorities. Feel free to contact us for WPC-ETA Approval for Headphones.