1. HD stereo noise reduction
Use deep stereo noise reduction technology to improve music and call quality and reduce external noise
2. Upgrade plug
Add a plastic disc to avoid the wire-controlled reaction when the device jack is in contact
3. More professinal sound system
The professional sounding unit is reorganized , and the high , medium and low frequency are precisely connected , and the sound quality is better
4. Double insurance is not easy to fall off
The double-insurance design of the ear flaps , with it , runs freely without worrying about falling off
