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Overview 1*Two independently controllable CPU cores with adjustable clock frequency ranging from 80 MHz to 240 MHz 2* +19.5 dBm antenna output power to ensure good coverage 3* Traditional wireless supports L2CAP, SDP, GAP, SMP, AVDTP, AVCTP, A2DP (SNK) and AVRCP (CT) protocols 4* wireless LE supports L2CAP, GAP, GATT, SMP, and BluFi, SPP-like protocols over GATT, etc. 5* wireless low energy connection to smart phones, sending low energy beacons for easy detection 6* Sleep current is less than 5 μA, suitable for battery-powered wearable electronic devices 7* Integrated 4 MB flash (Customizable: 8MB flash version / 16MB flash version) 8* Peripherals include capacitive touch sensors, Hall sensors, low noise amplifiers, SD card interfaces, Ethernet, high-speed SPI,UART, I2S and I2C 9* Pass RF certification and software protocol certification