BLF-02 is an indoor phone booth, very suitable to make webcasting. We do not intend to use it simply as a phone booth home office or soundproof office phone booth, but for office webcasting, which can be used in various industries, such as education and training, Luxury goods sales, video conferencing, work communication and more. It can also be used as a room privacy booth. Regardless, this silent phone booth is very versatile.It is more than just a soundproof booth. It is flexible and movable Soundbox Silence Booth satisfies your need of creative space design. It is made of aviation aluminum, carbon,composite panels, and tempered glass used for compartment of subway trains.Only one type of fasteners is used for assembling. Air in the booth is 100%refreshed in every three minutes. 4000K natural color lighting, suitable for 110-240V/50Hz and 12V-USB power supply.