HONG KONG – Olive Healthcare Inc., a South Korean biotech startup, said its abdominal fat scanner Bello has received an FDA approval to sell the device in the U.S. The company said it plans to launch the scanner in the country this December, after a market test. The miniature device is portable with a weight of 3.8 oz (107 g), measuring 3.9 inches (10 centimeters) long, 3.1 inches wide and 1.9 inches high.