-Studies show you can use the various sizes based on your activity and the amount of hold and isolation you would like. For example while resting a great hold is not needed like as in gym activities. -Specialized material conforms easily to the shape of your ear canal which makes for a comfortable fit that reduces ear fatigue and stays in place during activities. The Eartips are specially design to fit tighter and more snug, in order to provide a better connection and hold to the In Ear Earphone Driver. 3.Apply pressure and with a circular motion, twist with one hand clockwise and with the other the opposite direction, until the ear tip has fully covered the Driver of the Earphone. Froo www.froo.com | Froo Cross Sell, Free Cross Sell, Cross promote, eBay Marketing, eBay listing Apps, eBa.
eBay