Tangle Free Flat Wire Red Stereo Headphones Built In Hands Free Microphone Compatible Huawei Ascend Mate2 Provides a comfortable conversation while keeping your hands free. Dynamic Driver Technology Provides Undistorted Crisp and Clear Audio Microphone is attached to the wire Fits the 3.5mm jack in your Huawei Ascend Mate2 Some states requires a hands free device for using the phone while driving