EldHus 2-Pack Headphones with Microphone, Noise Cancelling Earphones with Volume Control, Running Earbuds for all 3.5mm Port MICROPHONE + VLOUME CONTROL: The ear buds are hand-free designed with built-in mic. And the ear bud is more convenient to use with in-line remote control, such as play/pause music and answer/end the phone calls. iOS + ANDROID SYSTEM: The phone control earbud headphone work for iOS, Android and Blackberry smartphone like Samsung/Android, also fit for PC. RICHER TONES: The innovative acoustic design delivers a clean treble response and distortion-free bass. And the earphone could bring you the perfect audio enjoyment with stereo feature; just enjoy the fun of music. SLEEK AND LIGHTWEIGHT: The compact earphones are the perfect companion for all-day music and feature authentic, clear sound with optimized noise isolation. ONE-YEAR WARRANTY: Please feel free to contact us if you have any questions to this ear phone. Our service team will give you the satisfied solution asap within 24 hours. And every headphones bought from OfsPower is covered by 1-year warranty.