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: Mobile Phone i-FlashDrive HD with 8 pin Lightning Connector U-disk External Storage for iPhone 6 6s plus 5s 5c 5 iPad Mac PC (White-64GB)
Product description: Specification * Color: White * Capacity: 64GB * Material: ABS * Reading spead: 6~8M/S * Writing speed: 4~5M/S * App: iStick i-FlashDrive iConnectPro(for iPhone with iOS 9.0 system or above, everytime insert flash drive into iPhone, it is required to restart app "iConnectPro" for sucessful connection, so remember to close app completely everytime you unplug flash drive.) Feature * OTG USB Flash Drive (Android phone must with OTG function,need to add usb otg adapter) * External Memory expansion for iPad/iPhone/iPod Touch * Backup your important Photos, Music, Videos, and Contact list * Supporting online software upgrades * Manage all your data directly on the iOS-Device (create, copy, move, delete, rename, open in, and more) * Portable for business(convenient for file work) * Secured file encryption for private file * Document viewer for all major file formats * The standard USB is compatible with all USB based computers and OTG enabled Android phones. And at the other end it works iPod touch, iPhone and iPad * Free App from App store for communication between your Devices and i-FashDrive Compatibility * for iPhone 6s 6s plus 6 6 plus 5s 5 5c,iPad Air 2,iPad mini 2 4 and Android smartphone * Support PC, Mac, iOS 8 above, Windows XP/7/8 Compatible with these formats .mov .mpg .swf .vob .wmv .rmvb .avi .mp4 .mkv .flv .gif .rm .mp3 .wav .m4a .jpg .gif .tif .png .bmp .txt .doc .ppt .xls .pdf support Safety Certified by RoHS, CE & FCC. Note Please download the app named "iStick i-FlashDrive iConnectPro" from app store. 1GB storage in your devices shows as: (1000^3)/(1024^3)=0.93GB Package List 1 * USB Flash Drive
Product feature: Support OTG USB flash drive., Reading speed: 6~8M/S; Writing speed: 4~5M/S, Compatibility: for iPhone 6s/iPhone 6s Plus/iPhone 6/iPhone 6 Plus/iPhone 5s/iPhone5/iPhone 5c/iPad Air 2/iPad mini/iPad mini 2/iPad(4th generation)/iPod touch(5th generation), Android Smartphone (Android phone must with OTG function), Mac, PC, iOS 8 above., Multifunctional Flash Disk (File Security, Contact Backup, Photo Transfer, File Manager)., Warranty: 12 month for hardware, free app updating for lifetime.
Product brand: LongSun
Target attributes: Capacity
Answer: attribute: capacity
value: 64gb
source: product description
attribute: capacity
value: 64gb
source: product title