Features: Specially designed for professional studio audio recording, PF8 Pro is made of high quality noise reduction foam and the shell is made of aluminum mesh wind screen. The noise reduction foam can absorb and reflect the noise from surrounding, so that to isolate your microphone in a quiet recording space. By focusing your voice to an isolated microphone, the PF8 Pro is able to capture the complete spectrum of your voice, optimize your sound and reduce later modification. PF8 Pro wind screen can not only reduce the sound reflection during recording, but also reduce the wind and noise's disturb from outside effectively. Easy to use, if your microphone's diameter is 54-65mm, you can direct put the microphone into the windscreen; if your microphone's diameter is 45-53mm, you need to add the foam, the insert the microphone into wind screen. Specifications: Color: Silver Material: Foam + aluminum Inserting Hole Diameter: approx.53mm Compatible Mic Diameter: 45-53mm(with foam); 54-65mm(without foam) Item Size: 20 * 17.7 * 18cm/ 7.9 * 7 * 7.1in Item Weight: 523g/ 1.2lbs Package Size: 21 * 19 * 18cm / 8.3 * 7.5 * in Package Weight: 725g/ 1.6lbs Package List: 1 * Mic Windscreen 1 * Foam Ring 1 * Users' Manual(English & Chinese)