1. Mini Development Board, Based On ESP32-S3FH4R2, Uses Half-Hole Technology, And Can Be Welded On A Custom Board 2. Equipped With High-Performance Xtensa® 32-Bit Lx7 Dual-Core Processor With A Main Frequency Of Up To 240mhz; Supports 2.4ghz Wi-Fi (802.11 B/G) And Bluetooth®5 (Le) 3. Built-In 512kb And 384kb Rom, Stacked With 4mb Flash And 2mb Psram. Adopt Stamp Hole Design And On-Board Ceramic Antenna For Easy Integration Into User-Designed Base Plates. 4. Supports Flexible Clock, Module Power Setting And Other Controls To Achieve Multi-Scenario Low-Power Consumption Mode; Integrates Usb Serial Port Full-Speed Controller, Leads To 34 Gpios To Flexibly Configure Peripheral Functions 5. With 4xSpi, 2xI2c, 3xUart, 2xI2s, 2xAdc And Other Peripherals Type: Wi-Fi And Bluetooth 5.0 Type: A- ESP32-S3-Zero Without Pin Header Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Not Affect The Use Material: PCB colour: As Shown Package Contents: 2 x Development Board Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.