1- Easy to use
It easily clamps to bars (from .25" to 2" or 6.5mm to 50mm). It also clamps to flat surfaces such as desks and countertops (from .2" to 1.75" or 5mm to 44mm). Perfect workout companion. Easily mounts to treadmills, ellipticals, stationary bikes, or other exercise equipment with the twist of a knob. Slide in your tablet and get your workout started.