A little over a year ago, Ultimate Ears rolled out the first of its metal in-canal earphones, Super.Fi 4vi; now the Logitech-owned company has debuted Ultimate Ears 700 ($230), a pair of amazingly small dual-driver metal earphones with similarly cool styling. With similar footprints to the similarly wow-thats-tiny JAYS q-JAYS, Ultimate Ears 700 comes packaged with a plastic hard case, silicone rubber and foam Comply eartips, plus a sound level attenuator.…