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

Input:
Product title: MPOW Knight Pro Bluetooth 4.0 Headset Headphone with In-Car Charging Dock Support Voice Command Multi-Point Technology
Product description: Mpow Knight Pro Bluetooth 4.0 headset is simply a real standout among our high-end headsets. Enjoy the safety of two-handed driving while taking a call. Even if the headset is charging in its dock, answer in one swift motion simply by picking it up and putting it in your ear. The headset automatically wakes, connects, and answers, letting you put your hand back on the wheel and safely enjoy your conversation.
Product feature: Easy your call, just pick up to automatically connect and answer a call. Put in dock to trigger sleep mode. And, Enjoy clear conversations on both ends of the call with Active Noise cancellation. Built in latest CSR intelligent noise reduction chip, improve the call quality, make your calls more clear., Integrated Multi-point technology lets you connect two devices at once, and support Siri voice command., Support In-car dock Charging and USB charging at home or office, Easy to pair: just press one key to pair your Bluetooth devices
Product brand: Mpow
Target attributes: Connectivity
Answer: attribute: connectivity
value: bluetooth
source: product feature
attribute: connectivity
value: bluetooth
source: product title
attribute: connectivity
value: bluetooth
source: product description