Samsung introduced Wednesday a new line-up of slim handsets, the " Ultra Edition."

According to a statement issued by the company, the Ultra Edition 9.9 (D830) is the world's slimmest clamshell mobile phone. Equipped with a 2 megapixel camera, a 2.3-inch wide display and an external memory slot, this folder-design phone is only 9.9 millimeter thin.

The Ultra Edition 12.9 (D900) is the world's slimmest slide-up handset with a powerful 3.13 megapixel camera while the Ultra Edition 6.9 (X820), weighing only 66 grams, is said to be the world 's slimmest mobile phone.