The brand is registered in many countries of the world. Oppo Digital Inc.'s USA, Based division develops and manufactures AV equipment, with a range of Hi-End blue-player, headphones and headphone amplifiers in the product line. In 2008, OPPO entered the portable electronics segment and launched its own production of mobile phones. OPPO is considered one of the most reliable smartphone brands in the world and is among the top 5 sales leaders.