Question: Ken Lee is a businessman who co-founded a retailing company that is specialized in which products ?

full_context: Document 1: Currys: Currys is a British electrical retailer operating in the UK and Republic of Ireland, owned by Dixons Carphone. It specialises in selling home electronics and household appliances, with 295 superstores and 73 high street stores. Smaller stores also trade under the Currys Digital brand in the UK, which was introduced to rebrand all former Dixons stores in 2006. Dixons stores in Ireland followed in August 2008, without the Digital suffix.
Document 2: Kwong Wui Chun: Kwong Wui Chun (born c. 1955) is a Hong Kong aluminum businessman. He is the chairman and founder of Asia Aluminum Group, and chairman of the Guangdong Nanhai Non-ferrous Metals Association. He was born in Nanhai District, Foshan, Guangdong, and moved to Hong Kong in the 1960s or 1970s. In 1981 he began buying scrap aluminum in the United States, Japan, and the Middle East, and importing it for resale in Hong Kong and for further processing in Guangzhou. He founded the Asia Aluminum Group in 1992, and shepherded the company through its listing on the Stock Exchange of Hong Kong in 1998. In 2003 he was reported to be the 148th-richest person in China.
Document 3: Victor Li Tzar-kuoi: Victor Li Tzar-kuoi, scion of Hong Kong's richest family, is a businessman, currently the Group Co-Managing Director and Deputy Chairman of CK Hutchison Holdings Limited. He is the elder son of tycoon Li Ka-shing and the brother of Richard Li.
Document 4: EB Games Australia: EB Games Australia (originally Electronics Boutique) is an Australian video game and entertainment software retailer. Headquartered in Eagle Farm, Queensland (a suburb of Brisbane), the company operates over 380 stores across Australia's six states and two territories and 40 more stores in New Zealand. EB Games Australia is part of GameStop. EB Games sells video games, consoles, and accessories for the PlayStation 3, PlayStation 4, PlayStation Portable, PlayStation Vita, PlayStation 2, PlayStation, Xbox 360, Xbox, Xbox One, Wii, Nintendo GameCube, Nintendo 64, Wii U, PC, Nintendo DS and the Nintendo 3DS. Customers can also purchase games online from the EB games website.
Document 5: Dick Smith (retailer): Dick Smith Holdings Limited (formerly Dick Smith, Dick Smith Electronics or DSE) was, until 2016, an Australia-wide chain of retail stores that sold consumer electronics goods, hobbyist electronic components, and electronic project kits. The chain expanded successfully into New Zealand and unsuccessfully into several other countries. The company was founded in Sydney in 1968 by Dick Smith and owned by him and his wife until they sold to Woolworths Limited in 1982. The company closed in 2016, within several years of its acquisition by Anchorage Capital Partners.
Document 6: Best Buy: Best Buy Co., Inc. is an American multinational consumer electronics corporation headquartered in Richfield, Minnesota, a Minneapolis suburb. Internationally, it also operates in Canada and Mexico. It was formerly operational in China until February 2011 (when the faction was merged with Five Star) and in Europe until 2012. The company was founded by Richard M. Schulze and Gary Smoliak in 1966 as an audio specialty store. In 1983, it was renamed and rebranded with more emphasis placed on consumer electronics.
Document 7: Li Ka-shing: Sir Ka-shing Li, GBM, KBE, JP (born 29 July 1928 in Chaozhou, China) is a Hong Kong business magnate, investor, and philanthropist. As of September 2017, Li is one of the wealthiest people in Asia, with an estimated net worth of US$34.4 billion. He is currently the chairman of the board for CK Hutchison Holdings; through it, he is the world's leading port investor, developer, and operator, and the largest health and beauty retailer in Asia and Europe.
Document 8: Electronix corporation: Electronix Corporation distributes electronic parts and accessories for home and business use, as well as data storage devices (under the name RaidWeb) and electronic technician information services (under the name RepairWorld). In addition, Electronix operates a computer repair/IT service division under the name Electronix Computer Center. Founded in 1986, Electronix is a privately owned small business.
Document 9: Bing Lee: Bing Lee is an Australian retailing company, a chain of superstores specialising in consumer electronics, computer and telecommunication goods. Bing Lee is the largest privately held electrical retail business in New South Wales with 41 stores (13 franchised) and a turnover of about $490 million.
Document 10: Lee Jae-yong (businessman): Lee Jae-yong (이재용 ; born 23 June 1968), known professionally in the West as Jay Y. Lee, is a South Korean business magnate and the vice chairman of Samsung Group, serving as de facto head. He is the eldest child and only son of Lee Kun-hee, Chairman of Samsung, and is widely considered to be his father's future successor. He is referred to as the "Crown Prince of Samsung" by the South Korean media, and speaks Korean, English and Japanese. Lee is estimated to be worth US$7.9 billion, making him the third wealthiest person in South Korea.
Document 11: Lee Man Tat: Lee Man Tat BBS (born 1929) is a Hong Kong billionaire, the chairman of the family-owned Chinese sauce and condiment company Lee Kum Kee. His wealth is estimated at $2.5bn, according to Forbes and in July 2017 the group purchased London's landmark Walkie-Talkie skyscraper.
Document 12: Optus: Singtel Optus Pty Limited is the second largest telecommunications company in Australia. It is a wholly owned subsidiary of SingTel (a company headquartered in Singapore) since 2001. The company primarily trades under the Optus brand, while maintaining several wholly owned subsidiary brands, such as Virgin Mobile Australia in the mobile telephony market, Uecomm in the network services market and Alphawest in the ICT services sector.
Document 13: Ken Lee (businessman): Ken Lee (Chinese: 李光裕, Pinyin: lǐ guāng yù, 1932 – 21 December 2007) was a Chinese-Australian businessman who co-founded the Bing Lee chain of electronic stores with his father, Bing Lee. He also served as the company's chairman from 1987 until 2007.
Document 14: List of Woolworths Limited companies: List of Woolworths Limited companies is a compilation of the divisions, chains, and brands of Woolworths Limited, a major Australian company with extensive retail interest throughout Australia and New Zealand. It is the second-largest company in Australia by revenue, after Perth-based retail-focused conglomerate Wesfarmers, and the largest food retailer in Australia, as well as the second largest in New Zealand. In addition, Woolworths Limited is the largest takeaway liquor retailer in Australia, the largest hotel and gaming poker machine operator in Australia, and was the 19th largest retailer in the world in 2008.
Document 15: Lee Kun-hee: Lee Kun-hee (Hangul:  ; Hanja:  ; ] ; born January 9, 1942) is a South Korean business magnate and the chairman of Samsung Group. He resigned in April 2008, owing to a Samsung slush funds scandal, but returned on March 24, 2010. In 1996, Lee became a member of the International Olympic Committee. With an estimated net worth of $7.2 billion, he and his family rank among the Forbes richest people in the world. He is the third son of Samsung founder Lee Byung-chul.
ground_truth: consumer electronics, computer and telecommunication goods