? High-Fidelity Sound: These earbuds use advanced Bluetooth v5.0 technology to deliver high-fidelity audio with deep bass, clear midrange, and crisp treble. The built-in microphone also ensures clear calls with minimal background noise. ? Long Playback Time: The earbuds offer up to 5 hours of playback time on a single charge, and the charging case can provide an additional 20 hours of battery life. You can enjoy music or make calls all day without worrying about running out of battery. ? Fast and Easy Pairing: The earbuds automatically pair with your device when taken out of the charging case. You can also connect them to your phone or tablet in seconds using Bluetooth v5.0 technology. ? Intuitive Touch Controls: The earbuds have touch controls that allow you to play/pause, skip tracks, answer/reject calls, and activate voice assistant with a simple tap or swipe.