Features: Effortless setup and auto pairing, just remove earbuds from the case, the earbuds automatically turn on and connect your mobile phone. Tap control, control your phone without taking it out. Strong compatibility, connect with BT, compatible with multiple systems. Intelligent noise reduction bass, acoustic cavity optimization on the back of the composite diaphragm unit reduces environmental noise and sensitive sound capture. Magnetic energy box, fully energy both earbuds for 3-4 times. Comfortable to wear, do not feel uncomfortable when wearing for a long time. Light to 3.5g, say goodbye to heavy burdens, change your comfort and ease the cumbersome feeling of wearing headphones for a long time.