About this item IN-EAR COMFORT: Enjoy a snug fit with these wired earbuds for school or work. BUILT-IN MICROPHONE: Seamlessly take calls and control your music with an integrated mic, ideal for use in various activities. WIDE FREQUENCY RANGE: Experience high-quality audio with a 20-20KHz range and 94±3dB sensitivity for a superior listening experience. VERSATILE AND DURABLE: Features a robust gold-plated 3.5mm headphones jack for reliable connectivity across various devices. SPARE SILICONE CAPS INCLUDED: Comes with 2 extra silicone caps that enhance comfort when using these earphones. Size: 51.18 x 0.79 x 0.51 inches.