Hardware Specifications: Chipset: ESPRESSIF-ESP32 240MHz Xtensa single-/dual-core 32-bit LX6 microprocessor FLASH: QSPI flash 4MB SRAM: 520 kB SRAM Button: Reset USB to TTL: CH9102 Modular interface: UART, SPI, SDIO, I2C, LED PWM, TV PWM, I2S, IRGPIO, ADC, capacitor touch sensor, DACLNA pre-amplifier Display: IPS ST7789V 1.14 Inch Working voltage: 2.7V-4.2V Working current: About 60MA Sleep current: About 120uA Working temperature range: -40°C ~ +85°C Size Weight: Approx. 51.52*25.04*8.54mm (7.81g) Power Supply Specifications: Power Supply: USB 5V/1A Charging current: 500mA Battery: 3.7V lithium battery JST Connector: 2Pin 1.25mm USB: Type-C Wi-Fi: Standard: FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC Protocol 802.11 b/g/n (802.11n, speed up to 150Mbps) 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: 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 Includes: 1 * 1.14 inch ESP32 LCD Module 2 * Pin header 1 * Cable

USB: Type-C. USB to TTL: CH9102. SRAM: 520 kB SRAM. FLASH: QSPI flash 4MB. Chipset: ESPRESSIF-ESP32 240MHz Xtensa single-/dual-core 32-bit LX6 Microprocessor.