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 1 GB MicroSD Memory Card
Product description: The newly redesigned Kingston CompactFlash Elite Pro offers a minimum sustained write speed of 133x. The Elite Pro is designed specifically to help advanced amateur or professional photographers get the best performance from their high-end imaging devices and applications., No matter how fast you work, CompactFlash Elite Pro can keep pace. With ultra-fast transfer rates and up to 4 GB capacity, you can capture more continuous, high-resolution images in less time with the Elite Pro than with traditional CompactFlash memory cards. And when you need to transfer your largest files, your production workflow will be more efficient than ever. The Kingston 4 GB Elite Pro CompactFlash card is backed by a limited lifetime warranty., Streamline your mobile life, Enhance your mobile life with Kingston's microSD removable memory card. This versatile card expands the memory capacity of feature-rich mobile phones. Store more of your own collections of music, movies, video clips, pictures, ring tones and more., With Kingston's microSD card, your mobile content is no longer tied to your phone. Share your content collections with friends, family and colleagues easily with this removable storage solution specifically designed for mobile phones with expansion slots., Kingston's microSD memory card also helps you move data between phones. If you're changing service or upgrading your handset, the microSD lets you easily transfer phone lists, settings or ring tones. Its ultra-small size consumes very little power from your handset, to give you longer battery life on your phone., Each Kingston microSD comes with an SD adapter that gives you the convenience to use it as a full-size secure digital (SD) card in SD-enabled devices, including media readers such as Kingston's TravelLite and 15-in-1 Reader. Now you can instantly move pictures between multiple devices for sharing and printing., At home, in the office, at the airport, in an Internet cafe or at school no matter where your mobile life takes you trust Kingston's microSD.
Product feature: Designed for mobile phones with expansion slots, Share content collections with friends, family and colleagues easily, Includes an SD adapter to use card in SD-compatible devices, Easily transfer data between phones, Ultra-small size consumes very little power from your handset
Product brand: Kingston
Target attributes: Format
Answer: attribute: format
value: sd
source: product feature
attribute: format
value: microsd
source: product title
attribute: format
value: microsd
source: product description
attribute: format
value: sd
source: product description