Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Jwin Jx-mp256fm Jxmp256fm Sports Mp3/wma/adpcm Digital Audio Player/voice Recorder/fm Radio With 256mb Memory
Product description: Jwin puts its pride in the products it manufactures and sells. Jwin's products have been engineered to ensure quality and reliability with the most updated set of features that its educated consumers demand. Jwin strives to be ahead of its competitors by offering the most up to date designs and features at the most affordable prices.
Product feature: jWin USB 256MB Sports MP3/Voice Recorder Digital Audio Player General Features: Blackcolor, Compact and Sporty Design for Ultra Light Portability Built-in 256 MB flash memory, USB 2.0 Full Speed Interface Support Supports MP3, WMA (with DRM) and ADPCM Audio File Formats, Digital Voice Recording with Built-in Microphone, FM Tuner with Built-in Memory for 20 Preset FM Stations
Product price: $6.04
Product brand: jWIN
Target attributes: Weight
Answer: attribute: weight
value: None
source: None