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: AOER 2 Pin Ear Bar Earhook Earpiece Mic PTT Headset for Kenwood TH-22A TH-22AT TH-22E TH-25 Linton LT-2288 LT-3288 LT-6288 WOUXUN KG-UVD1 KG-UVDIP BAODEENG BF777S BF-888S BF-UV5R
Product feature: This item is wite small PTT, easy for push and talk., Headset microphone can be placed on near of your mouth, which makes conversation more convenient., The earpiece/speaker fits snugly in your ear easily which keeps your conversations private., Excellent for use in police, military, nightclubs, bars, paintball, security, restaurants, hotels, bouncer, warehouses and noisy environments., Clip this hands free earpiece onto your shirt and begin using your radio device to communicate discretely and easily, whether you're in security, retail, or hospitality.
Product price: $11.89
Product brand: AOER
Target attributes: Connectivity
Answer: attribute: connectivity
value: None
source: None