QKZ DM9 High-quality In-ear All-metal Sports Music Headphones, Microphone Version

1. Ergonomic fit design
The use of skin-friendly silicone 10% soft with antibacterial material softness and ear canal fit
2. TPE spiral wire durable
More effctive anti-interference pull , 90 degrees bending , swing and other indicators are through the rigorous test , please feel free to use
3. Design of acoustic airflow cavity
Shock the stereo bass lets you feel an auditory feast