⇔ Left Right Double Arrow Arrows Symbol Smiley Face U+21d4

How to Write the Left Right Double Arrow Symbol ⇔ on Keyboard?

To write the Left Right Double Arrow symbol ⇔ on keyboard using ALT codes; ALT+8660, just hold down the ALT key while typing the alt key code 8660. You🎀 have to use the numeric keypad ꦜof your keyboard. If you don not have numeric keypad, hold down the Fn and ALT keys while typing the alt code number.