To Elexa’s credit, iBlink is available in six different colors, so you can choose from either white or black plastic with white, blue, or pink LED lights inside. Each pair includes three sizes of rubber tips for small, medium, and large ear canals, and a USB charging cable is included for the battery pack. These choices are improvements on Design Annex’s 2005 product iBeat, which didn’t have the same variety of colors and relied…