1. Abrasion and dirt resistant, shockproof and drop resistant 2. Material: nylon 3. Thickened and thickened wrist strap, strong and reliable, easy to lift 4. Built-in hook and loop fastener elastic buckle, fixed earphone 5. Double-sided sponge inner layer, can be placed or removed according to the size of the headset 6. Size: 28x22.5x13cm