Specially tuned for rich, dynamic sound and deep bass.
Ergonomic design provides ultimate comfort and isolation.
Compact design features tangle-free cable for accessibility.
Note:not Original earphone
 

Q1: Only one channel
A1:
1. Check if the earphone plug is inserted correctly, or if it is inserted into the device socket fully.
2. INCOMPATIBLE with Android system.
3. Make sure whether you have pulled the cable with excessive force, so you lost one channel. Make sure whether it is man-made defect or quality defect.

Q2:Completely silent
A2:
1. Check if the earphone plug is inserted correctly, or if it is inserted into the device socket fully.
2. INCOMPATIBLE with Android system.
3. Make sure whether you have pulled the cable with excessive force, so you lost all channels. Make sure whether it is man-made defect or quality defect.