One-touch control with microphone|Precision bass|Premium flat cable is lightweight, durable and tangle resistant|Soft comfortable ear cushions|Durable padded headband|Lightweight design using low mass metal construction|99% Oxygen free copper wire provides extraordinary signal transfer resulting in amazing sound|24K Gold-plated plug assures optimal connectivity|Strain relief and fabric reinforced cable for strength 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.