Seeedstudio Seeed Tiny BLE - BLE + 6DOF Mbed Platform nRF51822: ARM Cortex-M0 + 2.4GHz radio (BLE or ANT+) MPU-6050:3d accelemeter + 3d gyroscope LPC11U35FHI33:CMSIS DAP 4 I/Os, all can be used as analog input, digital input/output, I2C, SPI or UART Power supply:USB/battery(3.5-4.2V). Battery not included