This 3-pack audio development kit integrates a WiFi + Bluetooth module with serial-to-wireless connectivity, housed in a durable metal case. Each board measures 83 x 68mm and features a sleek black finish, making it ideal for audio projects, IoT prototyping, and wireless applications. Key Features: - Dual Connectivity: Supports WiFi and Bluetooth for seamless serial-to-wireless communication, suitable for streaming, voice control, and smart device development. - Sturdy Build: High-quality metal housing ensures long-lasting durability and stable performance. - Easy to Use: Ready out of the box—just connect and configure. No complicated setup required. - Versatile: Compatible with audio development, home automation, wireless data transfer, and DIY electronics projects. Product Details: This kit combines a powerful WiFi + Bluetooth module with serial-to-wireless functionality in a compact metal case. It helps prototype and deploy audio and IoT solutions quickly. Includes three ready-to-use boards for immediate development, whether building a wireless speaker, voice-controlled device, or smart home gadget. Simple to integrate, reliable in performance. Specifications: - Size: 83 x 68mm - Material: Metal - Color: Black - Package Contents: 3 × Audio Development Kit Note: Only the items listed are included. Slight color variations may occur due to lighting and screen differences. Dimensions may have a tolerance of +/- 1–3cm.