Features: Through professional laboratory test, its performances and harmoniced suppression are excellent, is wireless development board can be directly commercialized. Processor Esp32 (builtin WiFi and Bluetoothcompatible) excellent performances, suitable for electronic product DIY, commercial project development use. If necessary, can to IPEX4 interfaces external 2.4G antennna by soldering, suitable for variety of applications scenario. Widely used development board to program and develop for PicoW. Wide applications scenario, support electronics DIY production. Specifications: Main Control：ESP32-S3R2 32bit dualcores up to 240Mhz Memory： 2M bytes PSRAM Flash: 8M Bytes WIFI: 2.4Ghz WIFI Bluetoothcompatible：Bluetoothcompatible5 BLE+Mesh USB : TypeC USB2.0 GPIO: 25xGPIOs Size：about 51x21mm/2x0.83in Weight：3.6g Types:Unsoldered Pin/Solder Pin Package Includes: 1PC ESP32 Development Board note: Due to the problemsof lighting effectsand shootingangles, there mightbe certain tolerances in product, please understand. Please allow 0-1cm error due to the measurment.