http://www.intel.com/content/www/us/en/wearables/wearable-soc.html
Key Features
• A low-power, 32-bit Intel® Quark™ SE SoC
• 384kB Flash memory, 80kB SRAM
• A low-power integrated DSP sensor hub with a proprietary pattern matching accelerator
• Bluetooth* Low Energy
• 6-axis combo sensor with accelerometer and gyroscope
• Battery charging circuitry (PMIC)