520kB internal SRAM
Integrated 802.11 B/G/N WiFi transceiver
Integrated dual-mode Bluetooth (classic and BLE)
2.7 to 3.6V operating range
500µA sleep current under hibernation
10-electrode capacitive touch support
Hardware accelerated encryption (AES, SHA2, ECC, RSA-4096)
16MB Flash Storage
Stat LED
Wireless Antenna
Need wireless? The Espressif chip provides built-in BLE as well as a WiFi transceiver which sends and receives
data through a 2.4GHz Antenna.