Development, manufacture, import, export and trade in the field of Hi-Fi, Home Cinema, entertainment and industrial electronics, computers, control systems, household appliances, lighting, lighting technology, etc., consulting in the field of sound technology and acoustic consulting, acoustic ceiling construction and other measures to improve room acoustics, development, manufacture, import, export and trade in the field of sports and therapy equipment, balls, toys, etc., trade in, import and export of precious metals and other metals as well as numismatic coins; may establish branches, participate in other companies, acquire or establish similar or related companies, as well as acquire, manage and sell real estate.