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

Input:
Product title: XIT Sound Band Bluetooth Stereo Headset, Blue, Small
Product description: The Xit Audio AXTBTHSBGR Sound Band Bluetooth Stereo Headset is stereo Bluetooth headset for wireless music plus call functionally. Unique around the neck design that is lightweight and comfortable for all day use. Magnetic earbuds snap into place when in not in use. Built in mic for hands-free talking. Music & call controls conveniently located on the sides of device. USB charging cable included.
Product feature: stereo Bluetooth headset for wireless music plus call functionally., Unique around the neck design that is lightweight and comfortable for all day use., Magnetic earbuds snap into place when in not in use., Built in mic for hands-free talking., Music & call controls conveniently located on the sides of device. USB charging cable included.
Product brand: Xit
Target attributes: Connectivity
Answer: attribute: connectivity
value: wireless
source: product feature
attribute: connectivity
value: wireless
source: product description
attribute: connectivity
value: bluetooth
source: product feature
attribute: connectivity
value: bluetooth
source: product title
attribute: connectivity
value: bluetooth
source: product description