1. Material: PC+liquid silicone
2. Fit tightly, leaving no gaps
3. High resilience liquid silicone, effectively alleviating impact
4. PC inner layer, anti-falling and effective shock absorption
5. Split type and design, in line with the opening and closing angle of the headset, easy to access
6. Dust-proof, dirt-resistant, not easy to stain
7. The battery indicator, the battery can be controlled at any time
8. Size: 55.7x47x23.5mm