First of all, students often get bored and start talking in class, but the teacher does not want them to tell them.
When there is a choice, the teacher gives them a worksheet and listens to the music after that.
3. My third reason is that if you play at their school they can practice by placing music on an MP3 player and listening to it in class (technically, they are homework in the classroom do) )
This is not that I have never used headphones before. I have heard the tape and the CD, I have even 32MB, Yes, 32MB Diamond Rio MP3 player. Tape, CD, and Diamond Rio MP3 players existed in front of smartphones, so I had to use a wired headset to listen to my music. I often hear something, so a comfortable and good headset is absolutely necessary for me. It is self-evident that I brought many different headphones over the years. This includes several Bluetooth headsets. Like many people, once you find your favorite headphones, you will no longer be able to purchase them. Fortunately, the headset I chose is Apple's EarPod. Although I always have a phone with AppleCare, I do not always change the headset during the warranty period, but instead choose to purchase additional headphones instead.
There is a headphone jack for private listening. MP3 players range from cheap audio-only devices to expensive multimedia devices such as iPod touch. Some 2G and 4G players handle multimedia (sound, video, music, audio books), but they are still less than $ 50. A distinct advantage of multimedia MP3 players is the ability to load video and music, audio books, live sounds. Devices can be controlled using buttons, scroll wheel, scroll wheel, or touch screen. Therefore it takes time to learn how to run a specific MP3 player. For this reason, teachers often ask for subsidies to purchase some of the same kind of funds at once. Students do not seem to be struggling with MP3 players like adults