Hardware Specifications:
Chip: Micro32
FLASH: QSPI flash 4MB / PSRAM 8MB
SRAM: 520 kB SRAM
Button: Reset, IO36
Extended Function: VGA, PS/2
USB to TTL: CP2104
Modular Interface: UART, SPI, SDIO, I2C, LED PWM, TV PWM, I2S, IRGPIO, capacitor touch sensor, ADC, DACLNA  pre-amplifier
On-board Clock: 40MHz crystal oscillator 
Working Voltage: 2.7V-3.6V
Working Current: about 30mA
Sleep Current: 230uA
Working Temperature Range: -40℃ ~ +85℃
Size: 60.99mm*32.06mm*16.79mm (without VGA); 66.70mm*32.06mm*16.79mm (with VGA)
Weight: 21.25g

Power Supply:
Power Supply: USB 5V/1A
Charging Current: 500mA
Battery: 3.7V lithium battery

Wi-Fi Description: 
Standard: FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC
Protocol: 802.11 b/g/n(802.11n, speed up to150Mbps)A-MPDU and A-MSDU polymerization, support 0.4μS Protection interval
Frequency Range: 2.4GHz~2.5GHz(2400M~2483.5M)
Transmit Power: 22dBm
Communication Distance: 300m

Bluetooth Description: 
Protocol: meet bluetooth v4.2BR/EDR and BLE standard
Radio Frequency: with -97dBm sensitivity NZIF receiver Class-1,Class-2&Class-3 emitter AFH
Audio Frequency: CVSD&SBC audio frequency

Software Specification:
Wi-Fi Mode: Station/SoftAP/SoftAP+Station/P2P
Security mechanism: WPA/WPA2/WPA2-Enterprise/WPS
Encryption Type: AES/RSA/ECC/SHA
Firmware Upgrade: UART download/OTA (Through network/host to download and write firmware)
Software Development: Support cloud server development /SDK for user firmware development
Networking Protocol: IPv4, IPv6, SSL, TCP/UDP/HTTP/FTP/MQTT
User Configuration: AT + Instruction set, cloud server, android/iOSapp
OS: FreeRTOS

Packing List:

1 * VGA Controller Board VGA32