Do you want something very small, very high-tech, and very useful? Then take a look at keychain gadgets. The nifty tools hook right into your keychain and seamlessly connect the keys to your house and car until you need them!

From providing a small cable for your smartphone to analyzing your blood alcohol content, there are many different possible uses! Small tech has come so far that you can carry pieces of extremely advanced tech on your belt loop.

Keychain with Weather Station:

keychain weather station
keychain weather station

This keychain displays the current weather conditions and the date and time. This is for someone who leaves the house often, this is perfect so they know when to go and when not to go out, and whether to bring an umbrella, jacket, or coat. Additionally, the flashlight is a handy feature.

Keychain Breathalyzer by BACtrack:

The BACtrack Keychain Breathalyzer is a godsend for those who regularly drink and party. NowParty animals can now drink to their hearts’ content and see if they are safe to drive home or if they need to stay in the area while they The breathalyzer is so small that it can be attached hooked to a keyring. Super cool!Cool!

A virtual keyboard for your keychain:

Is typing on a keyboard more comfortable for you than on your smartphone? You should consider this very portable keyboard that attaches to your keyring. The virtual keyboard projects a keyboard onto any hard, flat surface so you can type on it. This device pairs with your smartphone via Bluetooth so you can easily chat or type on your phone. The fat finger syndrome is over!


Keyport Slide 2.0 is the Swiss Army Knife of keychains. Closed, it resembles a matchbox or a box of Tic-Tacs. There are six keys and/or tools inside, depending on your preference. With the Starter version, you get a Mini-Light, a Pen, a Bottle Opener, and an S-Biner MicroLock for attaching loose items, such as a remote fob or SecurID. It also has an SC1 Keyport Blade Blank (common house key). A 32GB USB 3.0 Flash Drive is included in the Pro version.