Link's Wireless Buds provides Stereo Sound and comes with a built-in microphone and Bluetooth 4.2. It provides premium, crystal clear, and rich quality sound and it can also be used for gaming purposes as it gives extra-bass powerful sound. Its battery gives up to 40 hours of playback time. These buds come in various colors and all of them look stylish and cool. These buds are water-resistant and can be used for any physical activities or sports and while you are at the gym. They are comfortable ergonomically designed that also provide the perfect fit. Its ear cushion material is TPU (Thermoplastic Polyurethane).