CNET has a review of the Cardo S-2 and writes – “At first glance, the Cardo S-2 looks like a regular behind-the-neck pair of headphones. Look closer and you’ll find a hinge above each earpiece, which lets the headset fold down into a more compact shape. Connecting the two earpieces is a sturdy rubberized band, which can stretch out to accommodate most head sizes. The entire device is pretty light (about 2 ounces), so we could wear it for long periods of time, which is perfect for daily commuting. The 2-inch-wide earpieces fit nicely on top of our ears, and we especially liked the cushioning of the earpiece foam covers. There are also rubberized grips above each earpiece for a more secure fit. We liked that there is good spacing between the grips and the earpieces, allowing plenty of room for spectacles or sunglasses.”

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CNET has a review of the Cardo S640 and writes – “The Cardo S640 is a small and compact device, only measuring 1.5 inches long, 0.7 inch wide, and 0.8 inch deep and decked out in a simple, glossy black. As we mentioned, the Cardo S640 is more of a Bluetooth clip than a headset–the entire device is the clip itself, with a wired earbud attached to the top. There’s a volume button and an LED on the front of the S640, while the multifunction control button is located on the earbud. While we found the buttons pretty easy to press, we weren’t too pleased with the concept of the volume button–instead of having a volume rocker that you can use to increase or decrease the volume, you have to cycle through the volume settings from lowest to highest with every tap. The wired earbud is a pretty standard size and fits comfortably in the ear. The S640 even comes with two earbud foam covers for additional comfort.”

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CNET has a review of the Cardo Scala 600 and writes – “On top of the headset is a small rocker wheel similar to that on the Scala 700. The wheel adjusts the volume, and the direction of the rocker’s up and down volume controls can be adjusted depending on which you side you prefer to wear the headset. As with the 700, the back of the headset has a contoured earpiece that rests against the ear and a flexible ear loop that can be configured to be worn on either side of your head. We had comfort issues with the earpiece, finding it a bit large for our ears.”

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CNET has a review of the Cardo Scala 700 and writes – “Another cool feature of the Scala 700 is its swap technology. You can swap the headset between two phones just by pressing the control wheel twice. The wheel also acts as a volume rocker and allows you to adjust the direction of volume up or down depending on which side you prefer to wear the headset. Battery status is obtained by pressing the headset’s control button for at least 7 seconds while the Scala 700 is on. The status light will flash blue when the headset is fully charged, red and blue for half-charged, and red for a weak charge. Other features include answering, rejecting, muting, redialing, or ending calls; voice dial; call waiting; conference call support; and locking or unlocking control buttons.”

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