The stain test is an standard test for earphones in commen use. For loading weight, we are testing with 500g, and ±90° each side.

This is an original unique design metal earphone, good sound quality, factory price, visit us by www.vayina.com

Colorful metal earphones, factory price and good sound quality.

This is an classic ceramic item originally designed by us. 9 mm powerful speaker. Deep bass, good sound quality, two ways of wearing, providing you perfect music enjoy

VYN303 Plastic earphone: Classic Rose earphone is designed to give us another feeling upon our earphones. Till now we have Ceramic earphones, Metal earphones, and VYN303 is our first generation Plastic earphones. Besides all the key features like: Hi