Meet Samsung’s Power Sharing Cable: a useful tool that lets you transfer power from your Samsung device to any micro USB compatible device. You can choose which way the power will flow. There is also an app available for this cable. Any device that can be charged via a Micro USB cable can be charged using a Galaxy S 5, Galaxy Tab S 10.5, Galaxy Tab S 8.4, Galaxy Alpha, Galaxy Avant, or Galaxy Note 4 device. As the above image shows, you will be able to charge your smartwatch with this cable. The Power Sharing Cable could prove handy for folks who are constantly on the go.