Multi Fuctions Button. Built in microphne switches you from music to phone calls.
The Built-in microphone lets you easily switch from music listening to talking phones calls-easily, so you'll always stay connected with what matter most to you.
Hybrid architecture for precise sound and extended bass.
The Earpieces are designed to fit comfortably in ears whilst allowing external noise to still be heard. The extra bulge on each earpiece helps hold it in the ear securely without discomfort.
Reinforced cable relief enhances durability and connectivity.