NTT DOCOMO provides mobile telecommunication services through its W-CDMA networks in Japan. The company offers voice, data, and other value-added services; public wireless LAN and international roaming services; and satellite cell phone services. Its products and services include Office Link, which allows mobile phones to be used as internal lines; Business Mopera Anshin Manager, which enables the unified control of corporate mobile phones; Business Plus, a package of cloud-based enterprise services; Dcreators, an online market for accessories, smartphone cases, and interior accessories; Dfashion, a fashion e-commerce site; Dkids, an educational content service for families with infants; Dtravel, a travel service that offers travel support services; and Ddelivery, a food delivery service. In addition, NTT DOCOMO provides Docomo Mail, a cloud-based email service; Docomo ID, an account identification service; machine-to-machine (M2M) services; and Petfit, which allows users to check their pet dog's health condition or location through smartphones or other devices. Further, it offers services in various business fields, including media, finance, commerce, healthcare, M2M, aggregation, ecology, and safety. Additionally, the company operates in medical database business as well as provides lifestyle guidance in dining and cooking areas. In addition, it purchases and sells smartphones, tablets, and data communication devices. NTT DOCOMO was founded in 1991 and is headquartered in Tokyo, Japan. Currently, NTT DOCOMO, Inc. operates as a subsidiary of Nippon Telegraph and Telephone Corporation.