Enjoy this Magnet Stereo earphones with Mic. It is compatible with Huawei, iPhone, Oppo, HTC, Mi, Samsung, and Nokia. Adjust the volume to avoid ear damage. Never use an earphone while riding a bicycle, motorbike, or driving a car. It is dangerous to increase the volume too high. Take great care about traffics around you. Please don't pull the cord too hard in case of breakage.