(Thanks to @_rashel for the information)
source: WeloveDara推特
转载注明百度skydragon吧

[INFO] According to AVEX Japan, Songs from 2ne1's album are going to be released as ringtones. They will also release Fire(Space) and I Don't Care Music Videos. They will be released via RECOCHAKU on April 6!
有fire更IDC的铃声，并且还有MV哦·

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不错听呀！