Digital Display Earphones Headphones Hall Switch Headset BT5.3 Earbuds with 3350mAh Charging Case. True wireless earbuds. 6D surround sound quality. Clear treble, sweet rhythm. The bass is calm and polite, heavy and not muddy, strong. The sound waves go straight to the heart. Immersive experience, round, soft, and sound effects, bright and prominent, plump and full without being stiff, making the sound richer and more delicate. Intelligent recognition noise reduction. CVC digital algorithm, even if the outdoor call is still clear. Intelligent recognition of ambient sound, noise reduction and vocal calibration. Metal oxidation process. Increase overall durability and is less prone to damage. It has powerful battery life. 5nm low-power chip is the core, high density energy-gathering bin design Equipped with 3350mAh battery, it can easily last for hundreds of hours. Added intelligent LED power display, charging and discharging and other information prompts let you know more intuitively that the battery can predict the battery life.