90 degree 3.5mm extension cable: makes for better cable management in some situations, especially in tight spaces like cars,corners,etc. Also, the 3.5mm right angle female plug makes a nicer fit in your hand with out breaking.
Short Headphone Extension Cable: Short and lightful length allows you firm connection and smooth plugging and unplugging experience. 24k gold-plated connectors ensure reliability and eliminate signal loss and noise possible.