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: Sony XBA4 4 Driver Balanced Armature In-Ear Headphones (Discontinued by Manufacturer)
Product description: tbd, Sony XBA-4 Balanced Armature Headphones-4 Drivers Quad Balanced Armature driver array (mid-range + woofer + tweeter + super-woofer) for sublime audio Dual layer housing for ultra-smooth frequency response Hybrid Silicone Earbuds: 4 Sizes for precise fit Noise isolation earbuds for increased noise attenuation Optimized housing design for ultimate wearing comfort Convenient Cord Adjuster supplied Carrying case, Step up to a revolution in audio with Sony Balanced Armature. A full range driver, added tweeter, plus two woofers, deliver rich profound bass, clear vocals, and bright, clear mids and high frequencies. Rediscover every note and all the emotion of your favorite music with the world's only drivers optimized for music enjoyment., Compared to conventional Dynamic drivers, Balanced Armature drivers reproduce a smooth, broad, and even frequency response with notable vocal clarity. Plus, the micro-sized driver comes precision tuned by Sony engineers to evenly reproduce a broad spectrum of high to low frequency response for an incredibly balanced audio experience., Experience enhanced audio with 4 newly developed micro-size driver units (full-range, tweeter, woofer, and super woofer). No matter what your favorite genre might be, a dynamic performance, transparent staging, and vivid clarity are on par for your audio experience., Enjoy long-term comfort and a natural in-ear fit with the ultra-compact design of a Balanced Armature (BA) earbud., The Sony XBA series earbuds allow a comfortable fit that also results in significantly lower sound leakage levels, both in or out, allowing you uninterrupted access to your music., The Sony XBA-4 earbuds come equipped with hybrid silicone earbuds (4 sizes), to ensure a tailored fit that further maximizes overall sound quality and comfort. Noise isolation earbuds (S, M, L) not only provide an outstanding fit, but also utilize pressure relieving urethane foam to further reduce ambient noise.
Product feature: Quad balanced armature driver array (mid-range, woofer, tweeter, super woofer) for powerful bass and clear frequencies, Double layer housing for smooth frequency response, Long-term comfort and natural in-ear fit, Noise blocking design, Secure fit and noise attenuation
Product brand: Sony
Target attributes: Style
Answer: attribute: style
value: earbuds
source: product description
attribute: style
value: in-ear
source: product feature
attribute: style
value: in-ear
source: product description
attribute: style
value: earbud
source: product description
attribute: style
value: in-ear
source: product title