L.A.R / Earplug

There is a group of people who are living around us have different audition between two ears. When they change the volume of headset, they may adapt to the weak ear mostly. At last, they may hurt their ears for a long time. L.A.R is a headset which can be changed to different volume between two earplugs and this design can protect their audition. In addition, this headset is suitable to the situation that when two persons share the same headset because different people have different audition, and this headset can give them more comfortable enjoyment.