Meet MetaMotion: a smart development board with an onboard 9-DoF IMU and Bluetooth to provide you with accurate 3D position and orientation data. MetaMotion has an accelerometer, gyroscope, magnetometer, barometer, and LED light. It is compatible with iOS, Windows, and Android devices.
You can develop applications for MetaMotion using C++, C#, Swift, Objective-C and Java programming languages. Tutorials and example apps are provided by the developers.