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Cobra Tag

Wireless Keyfinders To Track Down Your Keys (or Phone)

The $59.95 Cobra Tag is a combination of a traditional wireless key finder and a phone leash. It comes with a free application for use with Blackberry and Android smartphones. The application is easy to set up and automatically runs whenever your phone is on. Our phone would vibrate and ring whenever we left the house without the transmitter and forgot to turn off the application. Pressing a button on the phone or pressing the button on the transmitter easily turned it off.

Like a cell phone, this device needs to be charged often. The battery lasts about a day but you can charge it in a USB port using the included cable. If you forget to turn it off after using it (like us), it will most likely be dead when you go to use it again the next day. A day-long battery life is a weakness indeed. To be clear, if you always keep your phone near the Cobra Tag, the battery will not drain as fast, but most users will not always remember to do this (and it will not always be possible to do it).

The transmitter is very compact—slim and rectangular, with a ring built in to attach to a keychain (you’ll need to attach it to your keychain if you want the app to help you find your keys if they go missing.). Like the Zomm, there’s a transmitter (the Cobra Tag) and a receiver—your phone. At least there’s not extra receiver to lose track of! The transmitter is made from relatively durable plastic and withstood a few drops.

Though the app, Cobra Tag, is easy to install and operate, iPhone and Windows phone users are out of luck. The company says an app will be available soon via iTunes, but it isn’t here yet. While this is a downside, for Android and Blackberry owners, the ability to use the phone to locate keys, and the keys to locate a phone will be very useful. Even better: we really liked that the app estimates the distance of your keys  (or, just the transmitter) on screen: very close, close, and far. Okay, so that’s not GPS-worthy accuracy, but it helps.

For scatterbrained Android and Blackberry owners, we think this device is a very smart investment. However, we wonder if people who often lose their keys and their phone will be able to remember to charge the Cobra Tab every day.

Battery Life: 2

Distance: 4

Design: 4.5

Durability: 4

Ease of Use: 5

Average: 3.9




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  • 0 Hide
    jgutz2006 , September 13, 2011 12:59 PM
    So These devices should be 2-way, App on your phone to buzz your keys if those are missing in action, and then obviously keyring to set the phone off buzzing. I would say bluetooth tech would work for this but distance is limiting, although if you were to walk around the house with this thing transmitting, as soon as your device came into range, it would start to buzz at you
  • 0 Hide
    Anonymous , October 3, 2012 3:18 PM
    what about the FOFA
  • 0 Hide
    curt504 , November 26, 2013 7:43 AM
    as an engineer in a similar space I realized the fatal problem with this type of product... Each device must have a very low battery drain always on receiver. I suspect the many poor product reviews I read was due to dead batteries, just when you need to use the product. After thinking about this from an RF and battery drain perspective I don't think there';s a $25 solution. The cellphone solution that transmits a Geo location every 30 minutes is the best compromise. Have lots of key copies and especially a key in a magnetic box under the car~!!!! the old standby solution.
  • 0 Hide
    bhawika , May 26, 2014 10:35 PM
    Key Finders is connected to a good sort of things, not simply to your keys. Some users notice it handy to connect it to eyeglasses, a key finder purse, any sort of key keepers, or a transportable.

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