Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: BR-6228Nc - 150Mbps Wireless 11n Broadband Router with 5-Port Switch
Product description: The Edimax 150Mbps Wireless Broadband Router supplies the right amount of power to reach each connected wireless device when they are performing data transmission and save up to 74 percent of the power consumption.Edimax 150Mbps Wireless Broadband Router with Green Technology:Complies with 802.11b/g and compatible with 802.11n standardsSupports WISP (Wireless ISP) connection modeSupports green technology for power savingSupports WEP, WPA, WPA2, DDNS, DMZ, Virtual Server, QoS and DHCPSupports WPS (Wi-Fi Protected Setup)Includes EZmax multi-language setup wizard for internet connection, wireless settings and firmware upgradeColor: White
Product feature: NETGEAR N300 Wireless Router, Netgear N600 Wireless Dual Band Router, Belkin N150 Enhanced Wireless Router, Linksys Refurbished E900 Wireless N300 Router
Product brand: Edimax
Target attributes: Connectivity
Answer: attribute: connectivity
value: wireless
source: product feature
attribute: connectivity
value: wireless
source: product title
attribute: connectivity
value: wireless
source: product description
attribute: connectivity
value: wi-fi
source: product description