85183000Microphones and stands therefor; loudspeakers, whether mounted inside their enclosures; headphones and earphones, whether or not coupled with a microphone, and sets consisting of the microphone and one or more loudspeakers; audiofrequency electric powered amplifiers; electric powered seem amplifier set headphones and earphones, whether or not combined with a microphone, https://technologyandgadgetsniche61692.blogchaat.com/31004266/5-easy-facts-about-new-technology-2023-gadgets-described