Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: HHI iPod Touch 4th Generation Silicone Looper Skin Case - White
Product description: HHI iPod Touch 4G (4th generation) Silicone Skin case keeps your iPod Touch safe and protected in style. The skin casing is made of soft silicon and protects your iPod 4G from scratches.
Product feature: Slip your iPod Touch in to add a splash of color and deliver instant all around protection from scratches, The skin casing is made of soft silicon and protects your iPod 4G from scratches and minor damages, Washable, very easy to remove, All slots are accessible without removing the skin, Constructed from smooth, treated silicone that resists dirt & stains.
Product brand: Generic
Target attributes: Compatibility
Answer: attribute: compatibility
value: ipod
source: product description
attribute: compatibility
value: ipod
source: product title
attribute: compatibility
value: ipod
source: product feature