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

Input:
Product title: Aastra Powertouch 480e Charcoal
Product description: Features: Caller ID Answering System Speakerphone LCD Display
Product feature: Manufactured to the Highest Quality Available., With True Enhanced Performance., Latest Technical Development.
Product price: $56.48
Product brand: Aastra
Target attributes: Connectivity
Answer: attribute: connectivity
value: None
source: None