Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: Bluedio Wireless Bluetooth 4.1 Stereo Headphones with Mic (HT Turbine White )
Product feature: Powerful bass resonance of Bluedio: 57mm ultra-large dynamic drivers, turbine style housing, with iconic Bluedio surging low-frequency shock, let you feel the bass resonate deep in the chest. Clear and transparent bass, mids and highs, Ultra-long operation and carefree calling from Bluetooth 4.1: Acoustic echo cancellation and noise reduction effectively reduce ambient noise while talking, make far-end listener cannot hear what you said become history, just like talking face to face., Customized function: Audio Sharing allows you to connect to another H(Shooting Brake) headphone via audio cable, share music feast with your friends instantly(recommended to use headphones with impedance of 32 or higher)., Comfortable wearing: Custom fit supra-aural soft earmuffs, artificial protein leather of earmuffs simulated to human skin texture, ensure long lasting comfort in various rugged circumstances, Convenience: Just a plug with audio cable(buy separately), then listen to your favorite tracks without using any battery, no matter how long is your playlist. H-turbine also incorporate 4 languages voice prompt(Chinese, English, French, Spanish)
Product price: $6.04
Product brand: Bluedio
Target attributes: Connectivity
Answer: attribute: connectivity
value: bluetooth
source: product feature
attribute: connectivity
value: bluetooth
source: product title