* B pin suit for ZST ZS10 ZSR ES3 ES4 Earphones

* MMCX pin suit for MMCX pin earphones

* The playtime lasts up to 8 hours, music time accompany you all the times.

* APT-X Lossless Transmissio

Parameters:

* Weight: 14g±3g

* Line length: 85 cm±5 cm

* Version: Bluetooth 4.1

* Working Time: up to 8 hours

* Standby Time: up to 100 hours

* Charging Time: up to 2 hours