【ACTIVE NOISE CANCELLING】: AY headphones not only using double moving coil sound unit and nanotechnology but also using super stereo and advanced noise cancelling technology to enjoy uncompromising powerful audio and to give you the music you love for work, travel, and relaxation.
【IN-EAR COMFORT】: With interchangeable ear-buds and hooks for convenience and comfort, the headphones will stay in place when you’re on the move.
【5 HOURS OF CONTINUOUS AUDIO】:enjoy 5 hours of pure continuous music playback or voice chat, AY earphones set the voice prompts throughout for charging ,support automatic and caller prompt function.Works with all smartphone, tablets and other Bluetooth music player.