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: iDeal 120K In-Ear Headphone, Black
Product description: Stereo Hues 3.5mm black earphones. These earphones from Vibe Sound provide high quality sound with a comfort fit. The 3.5mm stereo connector is compatible with a wide variety of devices, including portable game systems, MP3 players, tablets, mobile phones, laptops, and more. Specifications: Driver: 15mm; Frequency: 20hz - 20khz; Impedance: 320hms; Sensitivity: 92db; Cable length: 4ft; Plug type: 3.5mm stereo; Color: black. Makes a perfect inexpensive gift for anyone! Condition: brand new, in original packaging. Please see all photos & consider them part of the description.
Product feature: Ergo-Fit Design for Ultimate Comfort and Fit, Driver - 15mm, Frequency - 20hz - 20khz, Impedance - 32ohms, Sensitivity - 92db, Cable Length - 4ft, Plug Type - 3.5mm stereo
Product brand: Ideal Sales
Target attributes: Connectivity
Answer: attribute: connectivity
value: None
source: None