Description <br> 1. DC 5V-12V <br> 2. 1 analog input (3.2 V maximum input) <br> 3. A micro-USB connection <br> 4. Compatible with for Arduno <br> 5. r32 = WiFi + Bluetooth (1PCS) <br> <br> Name:WiFi Bluetooth Development Board Module <br> Data Bus Width:4MB Flash Memory <br> Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use <br> Colour:As Shown <br> Material:PCB <br> <br> Package Contents: <br> 2 * Development Board Module <br> <br> Only the above package content, other products are not included. <br> 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. <br>