DFRobot FireBeetle ESP32-E Manual page 3

Max Charge Current: 500mA
Support USB Charging
Processor: Tensilica LX6 dual-core processor (One for high-speed connection; one for independent application development)
Main Frequency: 240MHz
SRAM: 520KB
Flash: 32Mbit
Wi-Fi Standard: FCC/CE/TELEC/KCC
Wi-Fi Protocol: 802.11 b/g/n/d/e/i/k/r (802.11n，speed up to 150 Mbps), A-MPDU and A-MSDU Aggregation, support 0.4us guard interval)
Frequency Range: 2.4~2.5 GHz
Bluetooth Protocol: Bluetooth v4.2 BR/EDR and BLE standard compliant
Bluetooth Audio: CVSD and SBC audio
Operating Current: 80mA (Average)
Support Arduino download with one-key
Support MicroPython
On-chip Clock: 40MHz crystal, 32.768KHz crystal
Digital I/O x10(Arduino default)
Analog Input x5(Arduino default)
SPI x1(Arduino Default)
IIC x1(Arduino Default)
I2S x1(Arduino Default)
RGB_LED: 5/D8
Connector: FireBeetle V2 series compatible
Operating Temperature: -40℃~+85℃
Module Size: 25.4 × 60(mm)
Mount Hole Size: M2 Mounting hole with diameter of 2.0mm