Sound Intone E6 Pro in-Ear Headphones Sport Running Earbuds Noise Isolating Headset with in-line Mic(Black) Noise Isolating - In-ear-canal design provides ambient noise isolation to improve listening experience Ergonomic earpiece design - It provides long-term wearing comfort and never falls out Clear, Dynamic Sound and Enhanced Bass - Applying powerful high-performance neodymium magnet moving coil drive unit, achieving higher sensitivity and wider frequency response Compatible with all - The Earphones are compatible with cellphones and more. Warranty - 1-month Money-backsatisfactionguarantee.