Volume Control

Features

● Streamline Design,Rounded corner design, elegant and agile; contracted appearance

● conforms to modern fashion features

● High-quality ABS Materials

● Use high-quality environmentally friendly ABS plastic, tasteless odorless,

● harmless to the human body; anti-impact, durable,

● difficult to deformation.

● Step less volume adjustment

● 2-line system, 3-line system, 4-line system, 6-line system are applicable