And, in my tests, it was possible to check all those things on the Verizon model during calls, even though I have them set up to sync via the Internet.

WSJ: New Verizon Service Bests AT&T in Call Reliability for iPhones

Now, next time you sync your iPod you'll get the latest posts (assuming you set up iTunes to sync the playlist you chose) in audio format, as read in the ever-engaging style of the operating system voices, ready to take with you on the go.

ENGADGET: How-to: One-click audio news, synced with your iPod in Tiger

You can either set it up to sync with your smartphone or to send the data directly to Withings' cloud via WiFi.

ENGADGET: Withings WS-30 WiFi bathroom scale hands-on Hands-on

The Sync API does away with the much of the set up work and allows the creation of apps that simply sync across platforms without any hacking or jury-rigging.

ENGADGET

As you'll see in the video after the break, he preferred to hold up his slightly older flagship wireless set, called SYNC, as evidence that SMS Audio has audiophile credentials to justify its high price points.

ENGADGET: 50 Cent talks up two new headphones in his SMS Audio line (video)