Hutchison Telecommunications Hong Kong Holdings Limited, an investment holding company, engages in mobile telecommunications business in Hong Kong and Macau. The company offers range of mobile telecommunications services and products, such as digital lifestyle and roaming services, as well as 5G Broadband, telemedicine, dietitian consultation, FinTech, gaming, and music applications; prepaid SIM cards with 4G data; and data plans. It also develops business and corporate solutions covering mobile business, information technology, smart city, Internet of Things, and big data, as well as provides solutions for indoor high speed internet access and 5G smart car park solutions. In addition, the company offers voice services, including local, international direct dialing (IDD), and international roaming; and wireless Internet access, international MMS and SMS, and downloadable infotainment.