通信 つうしんカラオケで
tsūshinkaraokede

Noun
Da Copula

て-form: Used to connect clauses, make requests, or chain actions of 通信カラオケ

1. Communicating via karaoke; Connecting clauses with "communication karaoke"; Requesting communication through karaoke; Chaining actions with "communication karaoke"

Te-Form
Computing