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: Crony App Phone for iPhone with IOS System Realize Dual Sim Card In One Phone (Golden)
Product description: One iPhone, Two sim cards. No need to take two cell phone with you, this APP phone will help you to realize "dual SIM card, dual standby". Features: APP Name: Morecardpro SIM card type: Nano SIM Network standard: GSM Network frequency band: GSM 850MHz; EGSM900MHz; DCS1800MHz; PCS1900MHz (global band) Support network: 2G network Continuous talk time: 4 hours Bluetooth Distance: 10m Support two-way anti-lost, remote camera, cloud messaging, set blacklist, etc. No need jailbreaking, perfect experience. NOTE: 1.Before you use the product, please access to the App Store to download and install the apps "morecard" by your phone device, then turn on bluetooth in your phone. 2.This phone doesn't support for iPhone 7 above, it only support for iPhone 6/6Plus below
Product feature: One iPhone, Two sim cards. No need to take two cell phone with you, this APP phone will help you to realize "dual SIM card, dual standby"., Using 4MM ultra-thin high-strength aluminum alloy frame material, 600 degrees high temperature heat-resistant tempered glass mirror patch design, 10 Meters Bluetooth Effective Distance, Anti-lost Function: Intelligent alarm when the Bluetooth is disconnection, help to find the device, Remote Control Photo Taking Function: With a button to control the camera of your device. Solving the picture blur problem when taking by your cell phone, Anti-lost, secure password lock, blacklist, do not disturb mode, Bluetooth answer, hang up, read SIM contact, etc.
Product brand: CRONY
Target attributes: Rear Camera Resolution
Answer: attribute: rear camera resolution
value: None
source: None