The Cobra Tag

Size comparison

Micro-USB port

Speaker

Key fob

Cobra Tag app

Mapping

Of course, it tweets

This Bluetooth-enabled key fob promises to help scatterbrains like me keep track of their keys and Android or BlackBerry smartphone by giving a notification when the two are separated.

Read more about the Cobra Tag.

Caption by / Photo by Antuan Goodwin/CNET
At about 2.25 inches tall by 1 inch wide, the Cobra Tag fits easily in a pocket with a few keys on its ring.
Caption by / Photo by Antuan Goodwin/CNET
A Micro-USB port on the bottom edge of the unit facilitates charging with the included cable.
Caption by / Photo by Antuan Goodwin/CNET
The speaker on the back of the Cobra Tag is small, but it's quite loud.
Caption by / Photo by Antuan Goodwin/CNET
We used the Cobra Tag to keep track of our keys, but you could attach it to a backpack, a purse, or any other item you'd like to keep nearby.
Caption by / Photo by Antuan Goodwin/CNET
The free Cobra Tag app for Android or BlackBerry is where you can adjust a variety of settings and view the status of the Cobra Tag device.
Caption by / Photo by Antuan Goodwin/CNET
When separated from the Tag device, the Cobra Tag app will mark its position on a Google Map.
Caption by / Photo by Antuan Goodwin/CNET
In the event that the phone is the half of the equation that's missing, the app can also lock the phone with a PIN and send out time and location data via e-mail, Facebook, and Twitter.
Caption by / Photo by Antuan Goodwin/CNET
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