About this item HD Mic & Volume ControlThis headphones built-in HD microphone and the power button function lets you Answer/Hang Up/Play/Pause/Next/Previous Song without picking up the phone, making it easier to use. Comfortable In-Ear DesignThe earbuds wired are ergonomically designed and provide clear sound, allowing you to have clearer phone calls. You can feel comfortable even after long hours of wear, making them ideal for leisure, work, study, travel, fitness exercise, or other outdoor activities. Wide CompatibilityWired earbuds audio jack compatible with iPhone, Android smartphones, laptops, MP3 players, and all devices with a 3.5mm jack. Quality Material & Tangle-Free Design4 pack of earbuds with microphone utilizes TPE material cable, flexible and durable. The cord is strengthened for longer durability, and the tangle-free design prevents tangling, making it easy to put into your pocket or backpack. Dimensions: 5.95 x 3.23 x 0.63 inches.