Latest Bluetooth 5.2 TechnologySupports faster pairing and more stable connection. Low power consumption design brings faster transmission speed and more reliable connectivity, with an effective distance of up to 10 meters.High-quality microphone and noise reduction technologyBuilt-in microphone supports hands-free calls, equipped with environmental noise reduction chip to ensure clear sound quality, easy to answer/hang up calls and control music playback.Long battery life and LED power displayThe charging box has a built-in 600mAh battery, which can charge the earphones four times, and the earphones can last up to 48 hours. The LED display shows the power of the earphones and charging box in real time.14mm dynamic bass unitThe earphones use a 14mm bass unit, which has better sound quality, low power consumption, and long battery life, suitable for various daily use scenarios.Comfortable wearing and one-button controlProvide a variety of earplugs and ear hooks to ensure comfortable wearing; one-button control of power on and off, music play/pause, answer/hang up calls, suitable for sports, travel and daily use.