General description Protect your Banana Pi -R4 Development Board with this high-quality aluminum case. Designed specifically for the Banana Pi -R4, this protective shell features a fan for optimal cooling, ensuring your board operates efficiently. Please note that variations in appearance may occur due to different production batches, but these do not affect functionality. Technical specifications Type: With Fan Color: Black Material: Aluminum Alloy Measurement allowed error: +/- 1-3 cm Package Contents 1 x Case 1 x Fan Other information Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.