The KHM-A22 ANC Earbuds deliver superior sound quality and comfort in a wire-free design. These earbuds feature Active Noise Cancellation (ANC) for immersive listening. They offer a Comfortable & Secure Fit due to their Perfect Ergonomics Design. Enjoy Awesome Wireless Freedom and Superior Sound, enhanced by Buzzer Slide Tuning for customized audio. They provide 5hr battery life and Support Speed Charging to get you back to your music quickly.