Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: PlugLug - 3.5mm 12 FT Premium Auxiliary Audio Cable (Grey) - Male to Male for Headphones, iPods, iPhones, iPads, Home/Car Stereos and More
Product description: PlugLug Premium Male to Male Stereo Audio Cable Plug in and play your sound. Connectivity Smart phones, tablets, iPods, laptops, MP3 players, headphones, and many more devices that have 3.5mm auxiliary ports. Highest Quality Audio Our cables are built to the exact same standards as the top headphone brands. With 24 carat gold-plated contacts, our cables ensure the purest possible sound. Beveled Step Design Accounts for phone covers that are too large, this cable comes with a beveled step design so it may fit nicely into most phone cases. Zero Distortion The gold plated connectors, along with the synthetic shielding ensures a distortion-free listening experience. With our cables, the sound will be crisp without interference and zero distortion. Warranty This item is backed by a Limited Lifetime Warranty only when purchased through PlugLug or other authorized dealers.
Product feature: Universal Compatibility to Play audio from any phone, tablet, iPod, laptop or other media-playing device on your headphones, Hi-Fi or car stereo that has standard 3.5mm aux ports., Superb design ensures these cables are built with the same high grade materials as premium headphones. 24K gold-plated contacts ensure the cleanest sound experience possible., Ultra Durable with a 10000+ bend lifespan several times longer than most audio cables, premium metal housing along with a durable, flexible cable is perfect for tight spaces. This cable is made to last!, Incredibly snug fitting slim connectors that enables the use with pretty much any phone or tablet case (unlike standard aux cables). No need to remove cases during use., All PlugLug Cables are backed by a limited lifetime warranty along with anytime customer service.
Product brand: PlugLug
Target attributes: Audio Channels
Answer: attribute: audio channels
value: stereo
source: product description
attribute: audio channels
value: headphones
source: product feature
attribute: audio channels
value: headphones
source: product title
attribute: audio channels
value: stereo
source: product feature