Pin Definition & Accessory Compatibility:With clear pin definition, this board is compatible with a range of accessories. Compact Design with Extension Options:The Ultra B's extension board compatibility offers versatility, while its compact size enables space-saving projects. WiFi 6 & Bluetooth Connectivity:Equipped with WiFi 6 and BT5.2, this board ensures stable and fast network connection with PoE support for added convenience. Processor Power & Integration:The Ultra B boasts a robust RV1106G2 chip with a 0.5TOPS NPU, delivering efficient performance for complex tasks. High-Performance ISP:The onboard ISP3.2 supports 5-Megapixel images with advanced algorithms, enhancing photo quality and reducing file size. Color: Black Material: plastic Package Contents: 1 x Audio 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.