Meet the Power Tube 3000: a portable power bank that charges your smartphone on the go. It has an app that lets you know how much battery juice you have left. The device supports Bluetooth, so it serves as a presentation slide controller and selfie shutter. It is compatible with iOS and Android devices.
The JuiceSync app provides you with real time battery status reports. The Power Tube has a smart alert function to let you know when you are running low on battery or are about to leave your gadget behind. You can even use it to track the location of your bag. Like what you see? You can find out more information here.