1: Transparent appearance design, one-piece precision workmanship and the same color, full of fashion sense. 2: Titanium dome composite diaphragm moving coil unit, with surging treble, delicate bass, and three-band balance, giving you immersive music enjoyment. 3: Light weight and easy to carry. You can easily put it in your pocket. 4: Seamless switching between single and double ears. Just pick up one and listen to the stable transmission. It?Zs not easy to disconnect. It?Zs easy to use no matter how you use it. 5: The LED digital screen clearly displays the battery level of the charging compartment, and the left and right sides also clearly display the battery level of each earphone, making it easy to control the time.