1-10PCS ESP32 -32D Development Board WiFi+Bluetooth Ultra-Low Power Consumption Dual Core ESP-32 ESP-32S ESP 32 Similar ESP8266

It's a great honor for you to visit my store. Good luck with your favorite purchasesBattery Included : No High-concerned chemical : None Type : Tire Repair Tools Brand Name : APWIKOGER Origin : Mainland China Working voltage : TYPE-C 5V SPI FLASH : Default 32MBIT Serial port speed : 115200BPS Frequency range : 2412-2484MHZ WIFI protocol : 802.11B/G/N