‣ Immerse yourself in rich, detailed audio with the Blue Spectrum D42 Universal Earphone. ‣ High-fidelity drivers deliver exceptional sound quality. ‣ Comfortable, ergonomic design for all-day listening. ‣ In-line microphone and remote control for taking calls and controlling your music. ‣ Compatible with a wide range of devices, the Blue Spectrum D42 Universal Earphone is the perfect companion for your smartphone, tablet, or MP3 player.