Samsung Electronics launched its Windows tablet ‘Galaxy Book 12.0’ in Japan. It has a 12-inch OLED display with an aspect ratio of 3: 2 and a resolution of 2,160 × 1,440. The size is 291.3 × 199.8 × 7.4 mm (WLH), the weight is 754 g, and the official price is 139,800 yen.