Dual Mode Bluetooth & Wired2 connection ways: MOFII Patent Applied diamond-shaped multicolored keycaps keyboard can be connected via bluetooth or a cable. Just insert micro USB cable to micro port on keyboard directly^Rechargeable & Energy Saving Built in rechargeable Li-ion Battery.No longer to change batteries frequently.Separate ON/OFF switch and Smart auto sleep feature design for power saving^Universal CompatibilityWidely Compatible with Android Windows iOS and Mac OS system. Works on Computer, Desktop, PC, Laptop, Apple iPad Air, iPad 4 / 3 / 2, iPad Mini 4, iPhone, Galaxy Tab, Surface pro & More^Ergonomic DesignThe ergonomic slope allows the wrist to be at a relaxed angle, ensures the flexibility of the fingers which offer you an optimal typing experience^Travel Partner & As a Gift Portable and Rechargeable, suitable for home and traveling. This stylish colorful Bluetooth keyboard can be a nice gift for your firends