Features: Good ventilation to keep face cool during high-intensity session, such as working out. The ergonomic design perfectly fits your face and will not worry about the light leakage; The cooling fan that quickly exhausts air from cover, preventing lens fogging and relieving heat build-up. The fan has a built-in 600 mAh battery and support TypeC port charging; This face interface is soft and comfortable fit to your face. Specifications: Material:ABS Color:White Interface:TypeC Built-in Battery:600mA Note: Please allow 1-2cm errors due to manual measurement,please 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. Package includes: 1x Facial Interface with Air Circulation