KZ Waterproof High Fidelity Bluetooth Upgrade Cable for KZ ZST / ZS10 / ES4 / ES3 / ZSR Earphones(Black) Brand_SERVO Play time: 6 hours (Max)

Play time: 6 hours (Max)

any apps or personal hot-spots

Carton Size 70cm * 45cm * 30cm / 27

the front is litchi pattern leather

strong anti-interference ability

KZ Waterproof High Fidelity Bluetooth Upgrade Cable for KZ ZST / ZS10 / ES4 / ES3 / ZSR Earphones(Black) Brand_SERVO Play time: 6 hours (Max)1. Adopt CVC 4. 0 voice call noise reduction technology, which provides advanced audio enhancement and environmental noise suppression, which solves the interference of environmental noise during the call and provides better voice call quality. 2. Qualcomm CSR8645 Bluetooth chip, with 3 seconds of fast connection, excellent reconnection speed and stronger signal anti interference ability. 3. Bluetooth 4. 2 with EDR Bluetooth enhanced rate, greatly