Respected doctors, After corona, iam working from home. Especially iam sitting near the system. Iam using my head phones for more than ten to twelve hours a day. Is there any safety precautions like any ear drops to protect my ears. If yes, pls tell me when and how much dosage to use for how many days? And yearly how many times, I can follow this procedure to safe guard my ears for the future. Thanks Pls help.