titan switch optical - the familiar click feeling, you know, with speed-of-light actuation for unprecedented quickness and precision, it's faster than any mechanical switch and has twice the durability new egonomics - the burst pro features a new, extremely ergonomic shape crafted from scratchyou'll notice the improvement the second you put your hand on it translucent honeycomb shell - the burst pro features more efficient engineering, with a solid yet light honeycomb shell, giving an extreme lightweight 68g - and an impressive showcase for aimo lighting phantomflex cable - enjoy a near-wireless experience with the phantomflex cable flexible, pliable and light, it virtually disappears during use to the point that you won't even know it's there heat-treated glides - the burst pro's heat-treated glides are a gaming first