Hi guys, Welcome to the Advanced Video Search Engine, and you are watching 엘프 E-909(900) 사용설명08_튜닝 기능 설명. That video is uploaded by 엘프TV at 2018-03-05T17:05:03-08:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [6a_DDB-Cvnw]