Dunu dn titan 1es iem earphones with top class nanometer titanium diaphragm and high purity ofc cable the dunu titan 1es in ear headphone uses a nano class t diaphragm driver producing prefect transient response while retaining a natural yet energetic sound recreating an impressive lifelike musical experience a special design on the cable outlet means you can wear the earphones down or over the ear for comfort a well made ergonomic shell ensures both comfort and an attractive design available i