Features:
* 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