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: TWO Pack 64 Gb Micro Sd Card with Adapter for Samsung Tablet,smart Phones,camera
Product description: New 64 GB Class 10 Micro SD HC Memory Card with Adapter Fast USA Shipping Dependable memory card for your favorite photos, videos, apps, and games Easily transfer files between phone, tablet and camera Product Specifications Size: 15mm X 11mm X 1mm Capacity: 64 GB Low power consumption. Extend your battery life Can be connected to the adapter, compatible with general SD applications Pins: 8 Applicable Plug and play supports windows/Mac OS Phones, smart phones, digital cameras, DV camcorders, PDAs, MP3 players, tablets, and other digital products
Product feature: Dependable memory card for your favorite photos, videos, apps, and games, Easily transfer files between phone, tablet and camera, Product Specifications Size: 15mm X 11mm X 1mm Capacity: 64 GB Low power consumption. Extend your battery life, Can be connected to the adapter, compatible with general SD applications Pins: 8, Applicable Plug and play supports windows/Mac OS Phones, smart phones, digital cameras, DV camcorders, PDAs, MP3 players, tablets, and other digital products
Product brand: RAZ Entertainment
Target attributes: Capacity
Answer: attribute: capacity
value: 64 gb
source: product title
attribute: capacity
value: 64 gb
source: product description
attribute: capacity
value: 64 gb
source: product feature