➢ARM 32-bit Cortex-MO, up to 64MHz main frequency
➢Integrated on-chip 512KB FL ASH, 32KB SRAM
➢2.4G low-power transmission and reception, support Bluetooth 4.2 protocol
➢High integration, save BOM cost, support OTA air upgrade
➢Using QFN small package, power supply voltage 1.8V- 3.6V