Compatible With Huawei Mate 30, Huawei Mate 20, P30, P20 And Mate 10 Series. Features: [Usb Type-C, Plug - Play] Seamless - Reversible Usb Type-C Plug With Built-In Decoder Ic. [Hi-Res Audio, Hear Everything] High-Resolution Authenticated Digital Audio Output + Huawei Histen 3D Audio Technology Delivers Immersive Cd Quality Sound. [Classic Design] Classic Ergonomic Half In-Ear Design, Fit - Comfortable; Simple - Stylish Design To Meet Different Scenarios In Everyday Life. [3-Button Remote Control, Enhanced Wind Noise Reduction] Ergonomic 3-Button Remote Control To Free Your Hands; Enhanced Wind Noise Reduction Design For Crystal Clear Voice. Specifications: Brand: Huawei Model: Cm33 Color: White/Black(Optional) Material: Abs Connector: Usb Type-C Package Size: 14.85*7.4*2.6Cm / 5.84*2.91*1.02In Package Weight: 40G / 1.41Oz Note: Requires Huawei Histen 3D Audio Enabled Source Device, E.G., Honor 9 And Mate 10 Series. The Function Of Calls Is Only Compatible With Huawei Mate 10 Series Other Selected Usb Type-C Smartphones. You Will Receive: 1 * Earphones