Features: brand new and high quality Built-in Wi-Fi highly sensitive 3D metal antenna IPEX external antenna interface Equipped with OTG Male Female Interface, Grove Connector Support MCU: ESP-32-S2 with Xtensa 32-bit LX7 single-core processor T-Dongle equipped with ESP32-S2 (support Wi-Fi) chip. With 1.14-inch ST7789V LCD display support TF Card, WiFi 3D antenna. Package Includes: 1 Set x T-Dongle ESP32 S2 WIFI Development Board Specifications: Item: T-Dongle ESP32 S2 WIFI Development Board MCU: ESP-32-S2 Wireless output: Support Wi-Fi 802.11b/g/n Programming environment: ESP-IDF VS Code 1.14'' ST7789V IPS LCD 135x240 260ppi Driver IC: ST7789V supports graphics library TFT-eSPI Size: approx 7.2x2.3x1.2cm/2.83x0.9x0.47in note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.