In recent years, the use of smartphones and earphones among teenagers has increased significantly. Many students listen to music, watch videos, or play games using earphones for long periods every day. Often the volume level is very high, especially in noisy environments like buses, streets, or playgrounds where users increase the sound to hear clearly., Continuous exposure to loud sound through earphones can slowly damage the sensitive structures inside the ear. The problem is difficult to notice in the beginning because hearing loss occurs gradually. Many teenagers do not realize that their hearing ability is decreasing until the damage becomes serious., Another issue is that most people do not have access to regular hearing tests. Hearing check-ups usually require hospital visits and special equipment, so young people rarely test their hearing unless they already experience major problems., Because earphone usage is very common among students, this problem may affect a large number of people. The risk increases when earphones are used for several hours every day at high volume levels., This issue can lead to long-term hearing problems, difficulty in communication, reduced concentration in studies, and possible permanent hearing damage later in life.