Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: B&A CAN-902W Classic RF2.4GHZ Wireless Optical Mouse with Mini USB Receptor
Product description: CAN-902W is a large size wireless optical mouse. Its 2.4GHZ high radio frequency transmitting solution provides a reliable and consistent wireless connection up to 30 feet. This wireless mouse has a precise tracking optical engine, which guarantees a smooth and accurate mouse cursor movement. It has got everything you need for a wireless mouse. Mouse is painted in elegant black and metallic gray coated with gloss paint. Moreover, the mouse is crafted in an ergonomic style offering a nice and comfortable hand grip to the user. It has two different DPI setting, and it is adjustable to meet different display resolution. It has power saving feature and a manual power switch button to extend batteries life by reducing power consumption rate. B&A CAN-902W is a top notch wireless optical mouse at fairly low price. Do not miss this bargain!, Model Number: CAN-902W Mouse dimension: 124 mm x 64.5 mm x 42 mm Mouse weight: 77 grams (without batteries) Mouse DPI: 800 dpi and 1600 dpi (adjustable dpi button) Mouse power source: 2 AAA batteries (not included) / manual power switch Color: Metallic Gray / Black Buttons: 3 buttons (left, right and middle scroll wheel) Receptor: Mini USB receptor Package content: CAN-901W wireless mouse x 1 piece USB mini receptor x 1 piece User manual x 1 piece, Laptop, and batteries are not parts of the selling product. All brand names and trade marks are properties of their respective owners.
Product feature: 1. Mini receptor that is so small, it can be plugged in and forget. When using with a laptop, the receptor is so small that it can be plugged in and forget. It becomes unnecessary to remove the receptor when carrying the laptop in a laptop bag., 2. Mouses ergonomic shape offers user a nice and comfortable hand grip., 3. Mouse uses high radio frequency transmitting technology: 2.4GHz radio frequency transmitting solution offers a reliable and consistent wireless connection up to 10 meters., 4. DPI button (Adjustable DPI for different display resolution): Mouse has 2 DPI setting, 800 DPI and 1600 DPI. User may set the mouse DPI according to the screen display resolution. Higher screen display resolution will require a higher 1600 DPI setting, and for a medium screen display resolution, 800 DPI will work nicely., 5. Manual power switch: Wireless Mouse has a manual power switch. Power can be manually switched off when carrying the mouse in a laptop bag.
Product brand: BA
Target attributes: Connectivity
Answer: attribute: connectivity
value: wireless
source: product feature
attribute: connectivity
value: wireless
source: product title
attribute: connectivity
value: wireless
source: product description