Model Number: Metal Detector headset Widely applicable to all kinds of round hole metal detector earphones BUILT FOR COMFORT: Soft, padded ear cushions are designed for monitor headphone comfort and noise isolation. The headband is adjustable and stretchable, allowing you to find the angle you like. The self-adjusting and flexible headband provides hours of listening without fatigue. color:Black Material:plastic Package Contents: 1 x Metal Detector Headset Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.