ᗿBuilt with high-performance speakers for extended frequency range, lower distortion, hi performance and noise isolating ear tips eliminate ambient. ᗿIt is not a usual l-ighting earbuds,but a wired Bluet000th function earbuds, please open the Bluet000th on your phone to connect first when you using it, and the l-ighting connector is only for charging. When next time you are using again, if your phone's Bluet000th are open,it will connect automatically when you plug in the cable in 2-7 seconds. ᗿIt has perfect stereo sound quality, enjoy full listening comfort with soft, snug ear buds that conform to your ears, bring you the perfect audio enjoyment. ᗿErgonomic and ultra-lightweight in-ear designed with solid sound-insulating material, reduces external noise while minimizing the sound leakage, giving you clear sound. ᗿThe cord was built in a in-line controller and a high quality microphone, the controller was designed to play / pause music / next track / previous track / answer phone calls / hang up phone calls.