Sure, any decent mobile phone these days will do this, but there is a certain analog charm to this key chain version.
![](https://www.didyasee.com/wp-content/uploads/2014/02/1844_50_year_calendar_keyring.jpg)
Are we going to get a 3-day weekend out of the July 4th holiday this year? Does Halloween fall on a weekday next year, too? This clever keychain can solve all your day-of-the-week dilemmas. Just dial up the year and the month in question, and it’ll tell you what day the date falls on.
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Posted by DidYaSee
February 27, 2014
I don’t carry any iDevices around these days (a lonely iPod Touch sits at home for mobile testing), but I do frequently need a micro USB and have enough iPhone friends that this MIGHT be a nice addition to the kit. If they could also work in a mini USB, it’d be an instant sale.
![](https://www.didyasee.com/wp-content/uploads/2012/07/pdt_large_acc_trebleKeychain_001KC3-11.jpg)
The Mojo Treble Key with Card Reader is the perfect USB cable for syncing and charging your iPhone/iPod/iPad and other Smartphones. With a built-in iPhone/iPad SIM card tray eject, you have all the tools you need to change your SIM card wherever you go.
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Posted by DidYaSee
July 11, 2012
Clip this on to your keys, backpack, commuter bag or whatnot and you’ve got weather reports at hand without having to resort to phone or an app. Not to mention several other handy features such as time, alarm, compass and flashlight.
![](https://www.didyasee.com/wp-content/uploads/2012/03/Weather-Station-Keychain11.jpg)
Don’t just follow the weather. Plan for it. Not only does this useful keychain forecast the temperature and humidity anywhere in the world, it also features an alarm clock with snooze, calendar, compass, and a brilliant LED light. Makes a great backup alarm on the road, survival tool when camping, and handy keychain at home. Made of hard plastic …
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Posted by DidYaSee
April 4, 2012