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: Qi Standard Wireless Charger Plate Pad for Nokia Lumia 920/820 LG Nexus 4 Samsung Note 2
Product description: Just place your phone on the pad and it will show you how it works automatically. Enjoy the charge! No need to remove the cable any more when you want to use your phone, just pick it up and make your call. You can carry it with you anytime you want for its lightweight. Specification Compatibility: HTC 8X Verizon, Nokia Lumia 920/820, Google Nexus 4, Samsung Galaxy Note II / i9300 etc. Charging type: battery (one-to-one charging ) Charging frequency: 100-200KHz Power distance: 5mm Dimension: 156 x 84 x 9 mm Electric energy transition: 72% Input: 5V-2A Output: 5V-1A Weight: 250g Package includes 1 x Wireless Charging Pad Note This Wireless Charger pad ONLY works with fully QI-ENABLE devices like Nexus 4, HTC DNA, Lumia 920. So before you bidding on this, please make sure your Device is Qi-enabled. It will work with Samsung Note 2/Galaxy 3, iPhone 4/4s/5 with a Receiver This Item DO NOT include a Receiver
Product feature: Get the Qi Wireless Charging Plate and charge your phone wirelessly, Just place your Qi wireless charging capable smartphone down on the pad and charging starts, Slim thin design and smooth UV coated, 3C and Qi wireless charging Standard qualified, Comes with a light indicator to show you whether your phone is charging
Product brand: Aitao
Target attributes: Wireless Charging Type
Answer: attribute: wireless charging type
value: pad
source: product title
attribute: wireless charging type
value: pad
source: product description
attribute: wireless charging type
value: pad
source: product feature