YIFAFESU VJJB&reg; Genuine Universal High Resolution Heavy Bass In-ear Headphones with Mic for SmartPhones - (V1S black) 1. VJJB-V1S VJJB V1 Uses magnetic neodymium iron boron magnets strongest drive unit, equipped with high - performance dynamic driver systems,6.0 MM*(Two Driver units) custom permanent magnet high-performance moving coil unit 2. Superb Sound with High Definition: Exclusive driver design pumps out the deepest bass soaring highs and ultra-clear midrange Soft silicone ear buds provide a super comfortable noise reducing fit 3. Exclusive tuning technology triband clear, natural, unique sensing technology to suppress high frequency glitches. Tone your earplugs subvert traditional visual impression, the ultimate balance between classic Almighty 4. Daily Uses: Lightweight design is ideal for listening during exercise travel or for everyday wear,Tonally balanced audio with crisp highs and deep low notes.Durable construction engineered and tested for the rigors of on-the-go listening 5. Compatible Models: Built-in mic lets you talk hands-free on your device, 100% fits Android device like iPhone 6/6S Samsung S6 S5 Note 4 Blackberry Nexus and other Smart Phones