Tried these headsets and I must say this is impressvie, the base and treble seems balanced.
Leading from the plug are the wires to the remote and earphones. The wires get a Kevlar housing which is strong, flexible and is more tangle resistant than a regular plastic cover. My previous ver 1.0 Pistons suffered from broken wires under the Kevlar, these new versions have last a few months of poor maintenance without issue.