SPECIFICATIONSAntenna form: onboard PCB antenna, gain 2DBBluetooth protocol: Bluetooth 4.2BR/EDR and BLE standardsBrand Name: LinYuvoBundle: Bundle 1Certification: NoneChipset: ESP32Choice: yesCompatible Audio & Video Equipment Style: Earphones & Headphones,Speakers,player,Professional Audio EquipmentFrequency: 433 MHzFrequency range: 2412-2484MhzFunction 1: ESP32Function 2: ESP 32High-concerned chemical: NoneModel Number: ESP32Origin: Mainland ChinaPackage: YesProduct size: about 54 * 28 * 10mm/2.12 * 1.10 * 0.39inchSPI FLASH: Default 32MBITSerial port speed: 115200BPSSupported interfaces: UART, SPI, SDIO, I2C, PWM, I2S, IR, ADC, DACType: Bluetooth,WIFIWIFI protocol: 802.11B/G/NWorking voltage: TYPE-C 5V Note: Due to the possibility of different silk screen printing on different batches of chips (with the same function)   ESP32 Development Board WiFi+Bluetooth-compatible Ultra-Low Power Consumption Development Board Module for Smart Home Feature:1. WiFi and Bluetooth-compatible Features: The ESP32 module is a versatile WiFi+BT+BLE MCU module that supports both low-power Bluetooth-compatible and WiFi connectivity, providing wide application potential. 2. Integrated SPI Flash: The module has an integrated SPI flash that allows for fast and reliable data storage, making it more efficient for various applications. 3. Wide Range of Wireless Communication: With built-in WiFi support, the module can connect to the internet directly via a router, allowing for efficient wireless communication and data transfer over long distances. 4. Easy Signal Detection: The module's Bluetooth-compatible capabilities allow users to detect signals easily and conveniently via their mobile devices, making it ideal for signal detection applications. 5. Wide Application Potential: The module is widely used in applications such as WiFi solutions, WiFi mini cameras, mesh networking, smart homes, and mobile IoT, providing a solution for various IoT and smart device development projects. Specification:Working voltage: TYPE-C 5VSPI FLASH: Default 32MBITSerial port speed: 115200BPSFrequency range: 2412-2484MHZBluetooth-compatible protocol: Bluetooth-compatible 4.2BR/EDR and BLE standardsWIFI protocol: 802.11B/G/NAntenna form: onboard PCB antenna, gain 2DBSupported interfaces: UART, SPI, SDIO, I2C, PWM, I2S, IR, ADC, DACProduct size: about 54 * 28 * 10mm/2.12 * 1.10 * 0.39inch Note:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-2cm measuring deviation due to manual measurement. 1 x ESP32 Development Board or 1 x Breakout Board or 1 x ESP32 Development Board 1 x Breakout Board cn1077410760bxmae