The safelet is like wearing a guardian angel on your wrist.
The simple cuff pairs with your smartphone, so you can add friends and family into your safety network.
If you need help, click the two buttons on the side.
And your contacts and the police are immediately notified of your location.
The safelet starts at $79, and will ship sometime later this spring.
The Cuff combines several wearable features into one product.
It'll vibrate when you receive a phone call, track your steps and calories consumed and burned, and even functions as a safety device.
When you get into trouble, press the Cuff, and it will alert your friends and family of your location.
It will also send them audio from the scene.
The Cuff jewelry packages can be pre-ordered starting at $49, and will ship Sometime later this summer.
Finally, the simplest of options is the Siren.
The large ring designed to look like fashionable jewelry emits a piercing alarm when it's twisted counter clockwise.
The wearer can decide how long the alarm should ring, but can manually turn it off when needed.
The ring should be charged every couple of weeks and starts at $200.
In San Francisco, I'm Kara Tsuboi, cnet.com, for CBS News.