NTT DOCOMO (株式会社NTTドコモ) is a telecommunications company providing mobile services. It offers XR products, mobile phones, smart watches, smart rings, data communications products, etc.  The company also delivers international roaming, operation support, insurance, accessories, and other solutions. a mobile phone operator. It provides calls, mail, music, games, disaster notification, access restriction, crime prevention, operation support, and other services for smartphones, tablets, and feature phones as well as international calls and international roaming services.. The company also offers phones, tablets, 5G home routers, wearables, data communications products, charges, etc.