Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Kingston Digital MicroSD Reader Gen 2 with 32GB microSDHC Class 4 Flash Memory Card with Reader MRG2+SDC4/32GB
Product description: This card and reader add up to an ultra-portable and convenient bundle that gives you an easy way to move photos, video clips, music and other files from mobile phone to PC or PC to mobile phone. The reader is designed with a USB connector and a memory expansion slot that accepts a microSD/microSDHC card. Combine it with a microSD/microSDHC card and youve got the best mobile gear to go with your phone. This mobile-ready bundle eliminates the need to carry additional USB transfer cables and the typical wait for Bluetooth technology slow file transfers between phones and PCs. It also replaces your SD card adapter, since the microSD/microSDHC card fits directly into the reader. When in use, the microSD/microSDHC Card Reader appears as a drive letter (i.e., E:\) and data transfer is as simple as drag and drop. Use the Reader with the included Kingston 2GB* microSD, 4GB*, 8GB*, 16GB* or 32GB* microSDHC card to get the storage capacity for a variety of helpful transfers, or acquire content to load to your phone, including; Backing up your friends', relatives' or business contact information when you change phones, Moving the digital music library stored on your PC for use on your phone, Transferring a video captured on your camera phone to upload to the web without using additional network minutes, Downloading new mobile applications on your PC for use on your phone without using network time. The bundles are backed by a two-year warranty on the reader and a lifetime warranty on the microSD/microSDHC cards, plus Kingston's legendary service and support. The bundles include a keychain to hang the reader from your phone so you'll always have it handy when you're on the go. Store your entire mobile life photos, songs, text messages, video clips, personal information on your Kingston microSD/microSDHC card, then work with it across device platforms seamlessly with the microSD/microSDHC Card Reader bundle.
Product feature: Versatile Reader works with microSD/microSDHC, Compliant Reader: with USB 2.0, and SD Specification Version 2.0Card: with SD Association specification standards, Portable easily fits in your pocket to take it with you, Easy plug-and-play into any USB 2.0 or 1.1 port, Guaranteed two-year warranty on reader, lifetime warranty on card
Product brand: Kingston
Target attributes: Format
Answer: attribute: format
value: sd
source: product feature
attribute: format
value: microsdhc
source: product title
attribute: format
value: microsdhc
source: product description
attribute: format
value: microsd
source: product feature
attribute: format
value: microsd
source: product title
attribute: format
value: microsd
source: product description
attribute: format
value: sd
source: product description
attribute: format
value: microsdhc
source: product feature