Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: Shocking Bright Pink and White Crystal Rhinestone Bling Bling Hibiscus Hawaiian Flower for At&t Sprint Verizon Iphone 4 Iphone 4s 16gb 32gb Snap on Hard Plastic Durable Cover
Product feature: snap-on case allows easy access to all buttons, controls and ports. Maintains a slim profile, covering the back and corners of the phone, protect your phone with this hard plastic cover adding a unique look, easy to take off and on (easy to essemble), made with swarovski crystal elements ontop of a white layout, made for the apple iphone 4 verizon at&t and sprint
Product brand: Dazzle
Target attributes: SIM Slots
Answer: attribute: sim slots
value: None
source: None