Yadesign is a famous brand which registered in US; 2 Pack Yadesign bass earbuds with microphone and volume control; In ear earbuds headphones deliver powerful base and high fidelity stereo sound; Good balance for your right ear and left ear; Light weight ear buds with 3 sets different size ear tips, ensured the best noise isolation function and most comfortable wearing; Earphones with hi-tech microphone which offers clear calling for both sides; Smart zipper case is convenient to storage your earbuds for travel or business trip Multi-function In line remote control to your cell phones music and calling: For Music--- Press one time for Play/Pause Press two times for the Next music Press three times for the Previous music For Calling--- Press one time to Answer the calling,then press One time again to end the calling Press two times to refuse the calling Portable: Comes with 2 earbuds and 1 storage case,it is convenient for you to bring them everywhere. Very important to use: Please rotate a few turns(cycles)of the headphone plug when connect with your phone or other device,this small step can solve many problems,thank you! For better durability,never pull the earbuds cable directly!!! Please hold the earbuds plug part or buds part when take it away from your phone or ears,thank you!