1. Peanut Pocket Knife Necklace

Not sure how appropriate it would be to carry around a disguised knife in public places, but it would be a great tool to have at hand nonetheless. For when you need to open a package, cut off a loose string, etc! And hey, if you ever find yourself in an extreme situation, you have something to aid your survival!

2. USB Locket

If your work requires you to carry around data files or if you want to share something with others, this is the perfect jewelry piece for you! You'll never lose your USB stick again with this handy locket that comes with a 2G flash drive.

3. RINGLY

It might not look like it, but this gorgeous piece of eye candy is actually a tech gadget that serves the same function as a pager. It flashes different colors and vibrates whenever you get a call or a text, and it comes in a variety of colors!

4. Tory Burch in Collaboration with Fitbit

In 2014, Tory Burch collaborated with Fitbit in order to come up with wearable fitness trackers. The line features a wristband, pendant necklace and a cuff bracelet with the classic "T" logos. The pieces are practical for fitness addicts and stylish enough to be worn by the biggest fashionistas.

5. Netatmo June

This sun protection technology comes as an accessory piece to an app that alerts you about your sun exposure. The stylish bracelet has UVA and UVB sensors that measure the sun exposure, computes data, and gives you your daily sun dose. It was made with the idea of preventing skin cancer and limiting harmful sun exposure.

6. NIKE Fuelband

Finally, a fitness tracking accessory that actually looks like an upscale jewelry piece and can complement almost any arm candy. It works well for monitoring your workouts so that you can keep track of your progress and it can be worn on a daily basis!

7. Lighter Earrings

If you ever need to light a candle or start a fire, just grab an earring and you should be good. Just remember, don't use it to promote your unhealthy habits - smoking has plenty of terrible consequences on your health!

How cool are these jewelry gadgets? Which do you think would come in handy the most?

Sources: dailydot.com