1. The business mainly operates globally, with its core business being prepaid virtual SIM card (eSIM) data plans for travelers and business people. 2. In the travel sector, it belongs to the emerging tier of telecom service providers, with competitors including Airalo, Holafly, Nomad, and other eSIM providers. 3. The official website brand terms are "Yesim" or "Yesim.app".