UNE-EN IEC 63296-1:2021 Portable multimedia equipment - Determination of battery duration - Part 1: Powered loudspeaker equipment (Endorsed by Asociación Española de Normalización in October of 2021.)
2021UNE-EN IEC 63296-1:2021 Portable multimedia equipment - Determination of battery duration - Part 1: Powered loudspeaker equipment (Endorsed by Asociación Española de Normalización in October of 2021.)