NOISE REDUCTION: Built in high definition microphone, can be arbitrarily twisted, make your voice loud and clear. Provide clear dialogue even in noisy environments. The noise is smaller and the sound is clearer.COMFORTABLE THROUGHOUT THE DAY: The mobile headset provides you with an ultra light wearing experience. The soft ear cushions and flexible headband will not cause any burden to your ears.HIGH QUALITY MATERIALS: The earphones are designed with sturdy structure and materials to ensure super performance and make them durable. The long headphone cord provides flexibility of movement.