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Time to go tubeless!
Interestingly, earphones, or headphones and stethoscopes have the same origin. The earliest headphone was used to auscultate a patient. That is the only function of the headphone, a stethoscope headphone. Earphones evolve fast The earphones have been advanced very quickly in recent years, from headphones to earphones, from wired earphones to Bluetooth wireless earphones, and from non-noise cancelling earphones to noise cancelling earphones. The...
