Features: No need to remove, connect and charge. Liquid silicone, skin-friendly feel. Dirt-resistant and not yellowing, it is still as new after long-term use. The real machine opens the mold, the precision is more meticulous. It has high appearance and no glue marks, and it is small and light, which protects your earphones. Washable, anti-staining, non-staining, anti-scratch, anti-greasy, soft shell, more convenient installation and disassembly. Shock absorption and fall resistance, flexible and high elasticity, not afraid of falling. Package Includes: 1x Silicone Protective Sleeve Specifications: Material:Silica Gel Size:Approx.8x5cm/3.14x1.96inches Color:Black/Midnight Blue/Dark Night Green/Red/White Compatible with-S-ony WF-1000XM4 note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.