KZ A High Fidelity Stereo Bluetooth Upgrade Cable for KZ ZS3 / ZS4 / ZS5 / ZS6 / ZSA Earphones

1. KZ custom Bluetooth module upgrade line, let you leave all the constraints and enjoy the experience. 2. Compatible with ZS3 / ZS4 / ZS5 / ZS6 / ZSA, second-order high-end version of Bluetooth sports headphones. 3. Can be turned on/off, Bluetooth pairing, answering/rejecting calls, playing/pausing music, etc. 4. Bluetooth version: 4.2. 5. Communication distance: 10m. 6. Pin type: 0.75mm. 7. Running time: about 3-4 hours, charging time: about 1.5 hours. 8. Housing material: ABS. 9. Weight: 6-12g. 10. Wire length: 59-65cm.