GAN 356 i Carry is the 3rd generation magnetic smart cube. This cube is powered by a replaceable button battery

 The GAN356 i carry features:

• A lightweight design at just 77g
• High efficiency with low power consumption, battery life spans up to 280hours of use
• Bluetooth connectivity
• Intelligent features integrated with CubeStation app
• Real-time battle between speedcubers around the globe