JLab Audio Core Custom Fit Wired Earbuds | Universal Mic with Track Controls | Hi-Fi Noise Isolating Technology | 11mm Sound Drivers | 3.5mm Audio Jack | Blue & Black PREMIUM SOUND: These earbuds use 11mm sound drivers to deliver full range audio with deep bass all in a compact size. This unique design blocks out ambient sounds so that you can enjoy your music in public spaces, such as trains and buses. TAKE CONTROL: The JLab Core Custom Fit Earbuds are built with and in-line microphone, so you can control the volume, skip tracks, activate Siri, Google Assistant and answering or hanging up calls all without taking out your phone. SMART DESIGN: Designed using the industry's highest grade materials, the Jlab Audio Comfort Earbuds balance durability with comfort. Reinforced with 11mm titanium drivers and a nickle-plated 3.5mm audio jack, these earbuds are guaranteed to last a long lifetime. COMFORTABLE FIT: The earbuds fit perfectly in your ears and provide a comfortable listening experience you can use all day. 4 soft silicone gel tips provide a super comfortable, noise-reducing design to guarantee a perfect fit. LIFETIME WARRANTY/30 DAY GUARANTEE -We are so sure youll be happy with your purchase that we offer a 30-Day Money-Back Guarantee to ensure customer satisfaction of our Jlab products. Also included with our wired products is a lifetime limited warranty to ensure you are covered in case any issues with our products arise.