Samsung Electronics Co Ltd (KRX:005930) announced a new device called the Power Sharing Cable. The device lets users transmit energy from one Galaxy device to another. For example, the Galaxy S5 can charge the Galaxy Gear smartwatch.
The Power Sharing Cable can be used with ?any device? that charges with microUSB. There is Power Sharing Cable app that lets you select how much power you are willing to share from the main source. You can buy the Power Sharing Cable for $20 ? not bad!