The Bell'O BDH821 series over-the-head earphones include a multifunction controller with a built-in microphone. These headphones work with most Apple and Android devices. They are compatible with iPod, iPhone, and iPad. They are also compatible with other electronic devices using a 3.5mm headphone port. Soft, comfortable ear cushions and precision sound with an extraordinary signal make the BDH821 your go-to headphones for optimal comfort and sound quality.