Button battery of large capacity, touch to adjust volume. 8922 Snapdragon-grade chip, wireless 5.3, stable and fast transmission. Wireless charging, in-ear detection, easy connection with pop-up. Smart charging case, supports auto pairing. Calling: 5.5 Hours Music Play: 6.5 Hours Charging Port: Lightning.Play/Pause: press L/R 1 time Next song: press L/R 2 times Previous post: press L/R 3 times Volume up: swipe up the L/R touch control area Volume down: swipe down the L/R touch control area.Reject: press L/R 2 times Answer / Hang up: press L / R 1 time
