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: WD 2TB My Passport Wireless Pro Portable External Hard Drive - WiFi USB 3.0 - WDBP2P0020BBK-NESN
Product description: Best-in-class wireless storage - Built with the latest wireless 802.11ac technology delivering fast data transfers and smooth HD media streaming capabilities. Fast SD card media transfers - Integrated SD 3.0 card reader delivers fast media transfers on the go. Beautifully organize and stream with Plex - Plex organizes your entire media collection with one simple interface and visually enhances it by adding descriptions, plot summaries, posters and album covers. Built-in power bank - No electrical outlet? No problem. Charge your smartphone, tablet and other USB devices on the go with the integrated 6,400 mAh power bank. Super-fast USB 3.0 transfer speeds - Quickly move or copy media to and from your My Passport Wireless Pro with the super-fast data transfer speeds of the USB 3.0 port. Works with PC and Mac computers out of the box - Formatted ExFAT eliminates the need to reformat your My Passport Wireless Pro. Just start it, connect and go. Safeguard your captured moments - Wi-Fi password protection helps keep your photography, videography, music and important files safe from unauthorized wireless access. Create your own Internet hotspot - Use My Passport Wireless Pro as a Wi-Fi hub to share an Internet connection with up to eight (8) devices. Stream up to 8 HD videos simultaneously - Connect multiple devices to your My Passport Wireless Pro and simultaneously stream up to 8 HD videos (8 videos x 3 Mbps HD MP4 streams). Dual wireless band support - My Passport Wireless Pro is conveniently equipped with two different wireless bands: 5GHz 802.11ac and 2.4GHz 802.11n
Product feature: SD 3.0 card reader for fast media offloads, Wireless 802.11ac for fast data transfers, All-day battery (up to 10 hours) and compatible with windows 10, windows 8.1 or windows 7, mac OS X El capitan, yosemite, mavericks or mountain lion operating systems, USB power bank to charge mobile devices, USB 3.0 for super-fast transfers, Use the convenient USB 2.0 port to easily transfer media from an external USB storage device, like a compatible DSLR or CF card reader, Preview RAW images, Wirelessly stream 4K videos and view photos with the My Cloud mobile app, Wireless 802.11ac for fast data transfers, SD 3.0 card reader for quick media offloads, All-day battery (up to 10 hours*), USB power bank to charge mobile devices
Product price: $3.80
Product brand: Western Digital
Target attributes: Form Factor
Answer: attribute: form factor
value: None
source: None