China brand. Official website of Xiaomi Company introduced that freein schoolbag is a smart home brand owned by China Xiaomi, and Mijia is a joint third-party enterprise, belonging to one of the companies in Xiaomi's ecological chain. Mijia customization is a cooperation model jointly created by the official brand of Xiaomi Ecological Chain "Mijia" and outstanding enterprises in the industry in recent years. OEM by a third-party enterprise, Mijia provides the design concept, which will be exclusively sold by Xiaomi's official channel.