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: Minidiva Wireless Optical Pen Mouse 2.4G 1600 DPI 10m Touch Pencil usb Ergonomic Mice for Computer Laptop Desktop(Darkgrey)
Product feature: 2.4G Touch pen mouse with web browsing, 10m effective distance., Ergonomic design: fits comfortably on your hand., 3-resolutions Adjustable: 800/1200/1601 dpi., Createn professional designs., Compatible device: perfect for laptop , tablet PC, smartphone.
Product brand: Minidiva
Target attributes: Sensitivity
Answer: attribute: sensitivity
value: 1600 dpi
source: product title