Gemini earphones / earphone

When we use earphones, especially in dim light, we often encounter this problem: It's difficult to distinguish the left earphone from the right quickly.
"Gemini earphones" can solve the problem very easily.Single headset adopts a half-sided sculpt, thus there's only one choice for users to wear each earphone,which makes it non-essential to find the right earphone according to "L" "R" marks.Especially at night , when it's difficult to find the right earphone through vision, we can distinguish the right wearing way through touch .