When you are in danger, just tap your heels, and your three friends and relatives will be able to receive your location message and know that you may be in deep danger. Ruby intelligent hardware provides a good safety guarantee for the female friends in this floating and disturbed environment. It is small and can be clipped on shoes. It is simply a good product for traveling.

　　 Ruby: help yourself by gently tapping your heels.

The intelligent hardware Ruby developed by iStrategyLabs's group is made up of a hardware clamp and APP. The clip is built with Bluetooth module and used in conjunction with mobile phones.

When used, the user puts Ruby on the shoes and sets them in the mobile phone APP. Ruby's mobile application provides three services. First, after tapping the heels, the cell phone will disguise calls to help users get away. The two is to set up three friends in advance, and tap the heels when they are in danger. The mobile phone will automatically tell the user's location information to these three friends. The three is to call the car function. Ruby connects to Uber and calls the car function.

　　 Ruby: help yourself by gently tapping your heels.

Although Ruby is in the prototype stage, the volume is too large for all shoes. Its development team, iStrategyLabs, is trying to reduce its volume, which may be integrated into the insole in the future. As a gift for your girlfriend, you can also know her situation when you can't pick her up from work, and feel comfortable waiting for her to go home, which is also a good choice.