Features:High permeability-TPU, safe material, long-lasting non-yellowing.Exquisite workmanship, real machine mold opening, personal-protection.The shells is soft, shock-absorbing and anti-falling, soft and skin-friendly, and durable.Durable as new, anti fouling, dirt-resistant, and effective dust-proof.The connection is-instant, no need to remove the sleeve, simple and convenient. Specifications:Material:TPUSize:Approx.6.3x6.2x3cm/2.48x2.44x1.18inchColor:TransparentFor Enco Air3 Note:.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. .Due to the difference between different monitors, the picture may not reflect the actual color of the item.Thanks for your understandings. Package includes:1x Headphone Protective Sleeve