Features: 1. Integrated 2.4GHz RF Transceiver And Baseband And Link Control2. 32-Bit Barley RISC-V Processor WCH RISC-V4A3. 512k Bytes Non-Volatile Storage Flashrom.4. 2 Independent Usb Controller And Transceiver Groups5. 5V USB Cable Power Supply, Usb Burn-In ProgramDescription: Interface Introduction: 1. USBA Port Female Socket: Can Be Used As Usb Host Interface2. On-Board Power Conversion3. On-Chip DCDC Converter4. On-Board Antenna5. Reset Button: Reset Microcontroller Operation6. Download Button: Press The Boot Button, Insert The Usb To Download The Program.7. Blue Led Light: User Can Program And Control By Themselves.8. Type-C Port: Used To Burn Program.Development Environment: Ide Use-MounriverDownload Mounriver_studio, Double-Click To Install, You Can Use It After Installation.Download Instructions: Wchisptool DownloadPress The Boot Button And Plug In The Usb Cable. Wchisptool Will Automatically Recognize The Chip Model And Select The Firmware To Download.Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Usesize: about 45 x 33mmMaterial: PCBcolour: dark bluePackage Contents: 1 x CH582M Development Board Module2 x 10P Double Row PinsOnly 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.