“When it comes to headphones, nothing can beat the compactness and portability of ear buds. Most larger over-ear and on-ear models at least try to take up less space when not on your head with a folding hinge on each side. Now there’s a pair of premium headphones that tries to go a step further: the Luzli Roller MK01 features a design similar to a link-style metal watchband, allowing it to literally roll up into a smaller size.”