Features: Made of quality TPU+PC materials, flexible enough, effectively protects the earphone charging box from scratches and collisions. Waterproof, anti-drop, anti-scratches, dust-proof and durable for long for time use. Easy to carry with a metal buckle, compact and not easy to deformed or broken. Impact-resistant and shockproof design, provides all-round for protection to your earphones. Precise cut-outs design, allows you easily access to all ports and functions. Simple to install and remove, charge without removing the charger for case. Specifications: Material: PC+TPU Color: Dark Green, Black Yellow, Black Blue, Black Red, Black(optional) Size: Standard Size Compatible Model: for Free Buds 4/4E Earphones Note: Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you mind. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Piece Earphone for Case