Product Features:
1. Custom upgrade line of KZ bluetooth module.
2. Advanced Wireless Bluetooth 4.2 Upgrade Module.
3. The KZ headphones in your hands, extraordinary, and the cable connection can give you a professional listening
Incisively and keenly, and wireless connections can let you in motion is put aside all, enjoy the experience.

4. Live freedom from now on.

Color Classification:
Type A (for ZS3/ZS4/ZS5/ZS6)

  Type B (for ZST/ES3/ZSR/ED12)