MPOW wired Earphone with Remote and Mic Volume Control for iPhone and Smartphones High-quality dynamic speaker systems for bass-driven stereo sound and durability. 16-ohm low impedance is ideal perfect for using with cell phones, tablets and portable music players. Soft silicon ear tips (S, M, and L size included) to optimize fit for your comfort and sound quality Compatible with double models, N-universal Nokia and phones and adapters this line of intelligent machines, S-general Samsung, iPhone, HTC, red rice and other Android smartphone. In-ear-canal design provides ambient noise isolation to improve listening experience.