Strange Things

I don't know why, but today I had a weird thing happen to my ears I haven't felt in a while, I remember it from like freshman year but also sophomore or junior year. My ears will ring and/or have this sound like either an air conditioner or an airplane engine, sometimes I can't hear any real sounds at all but today I could hear some other students in my classroom with these other sounds. My ears were ringing after that and are ringing again now, and I have a headache and I have noticed a slight but noticeable pain in my upper left arm even though I can't think of why it would be injured or sore. the pain has slowly gotten worse, but it also is a easier when I am not using that arm. My eyesight has also been sometimes poor, my right contact feels weird especially if I touch my eye, but not the worst. On another note, I am back and forth, I want help understanding the bracelet I have but also not wanting to post it online because it's something I have had for a long time and I don't know, personal hesitations about it.