1.The imported chip is fully compatible with lossless decoding：fully compatible with Type-C mobile phones, and restores high-definition sound quality 2. HANDS FREE VOLUME CONTROL : Excellent Simple and Smart control that supports Volume up - Volume Down - Play/Stop (Supports Multi Function control in most USB C with next track, last track answering call and reject calls) 3.DURABLE AND RESISTANT MATERIAL : With a durable design with high quality in materials inside each wire have inside oxygen free copper wire technology and sweat proof making it perfect for for daily use 4.Ergonomic design ， Perfectly tailored to your ear and designed for long use. Hybrid silicone earphones offer long-lasting comfort and reduce ambient noise. 5.WIDE COMPATIBILITY : Support USB Type-C connector to connect a wide range of smartphones, laptop and tablets like Samsung LG Xiaomi Sony Huawei Google Nokia (Attention: Multi Function control works perfectly with phone that have just USB C only, for phones with USB C)