The Giiker Cube is the worlds first smart 33 speed cube. It features bluetooth sensors in the center caps that allow you to wirelessly track the state of your cube as your turn it. Stickering scheme is the traditional colors! The app has guides as well as games and other fun things you can do with your new smart cube! Makes a great gift! Features: APP Guide, Restore in 30s Built-in GiiKER patent CUBE-SYNC? synchronization module Connect to APP, synchronize the state, automatically calculate the fastest path and guide in real time Personal Cube Teacher Download the GiiKER APP, connect the cube via bluetooth, automatically generate the real-time guide to solve. There are 9 courses totally in APP, each of which can be mastered in about 10 minutes, and the next course can be entered after passing the test. The normal study time of 8 hours is enough. Smart Timing Say goodbye to traditional timer, intelligent advanced training mode Record time, steps, speed and solution accurately Help players improve their skills scientifically Package Included: 1 x Advanced Super Cube i3s 1 x Headset Shape Charger 1 x USB Cable 1 x User Manual Specifications: Wireless connection : Bluetooth 4.0 Battery : 3.7v lithium battery Charging interface : Micro USB Charging time : 1 hour Life time : 30 hours Support system : Android 4.4 or above / iOS 8.0 or above App Language(s) : English and Chinese Excellent electronic speedcube to time solves, learn, and challenge the world! Built in tutorial to learn how to solve - for beginners and advanced solvers! Mobile App for connecting the cube, getting tips, timing solves, and more! New I3S version!