Metronia is a Spanish gaming technology company founded in 1978, renowned for its innovative bingo solutions across physical venues and online platforms. Headquartered in Madrid, Metronia has established a global presence, offering a diverse portfolio that includes traditional bingo, electronic bingo, videobingo, and dynamic bingo variants. One of Metronia's notable offerings is B Online, an electronic bingo game designed to replicate the traditional bingo experience in a digital format. B Online features virtual cards with 15 numbers ranging from 1 to 90, maintaining the classic gameplay while incorporating modern technology.