What is this (Q2) model number?

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May I ask, what is this (Q2) model number? thank you. I got a broken K-mini with the wrong voltage。

crwdns2893858:0crwdne2893858:0 crwdns2893862:0crwdne2893862:0

crwdns2894050:0crwdne2894050:0

crwdns2889612:0crwdne2889612:0 0
crwdns2892346:0crwdne2892346:0