Environmental Noise Cancellation of the Defunc TRUE SPORT earbuds helps filter out surrounding noise and makes your voice clear to the person you're talking to, making them ideal for taking calls in noisy places. MultiTip SportWing design is engineered to fit and remain flawlessly in the ear with the patented WingTip. Take your workout to the next level by wearing the multi-tip wing design while skating, running, working out, skiing, or whatever you're doing. You can even wear them in the shower! The Nano-Coated buds of the Defunc TRUE SPORT earphones prevent germs, bacteria, and dirt from sticking to the surface, keeping your earbuds clean no matter what activity you indulge in. It delivers 28 hours of playback in total, 5 hours of active playtime, fast USB-C to USB-C charging, and Bluetooth 5.2.