Super Junior is currently endorsing LG and its LG Optimus phone and Eunhyuk and Donghae recently appeared to promote the phone.

In the short ‘promo’, the duo introduce themselves before Eunhyuk begins talking about LG and the phone. But he makes a mistake while trying to pronounce Optimus, asking for help from the staff members and Donghae…

Donghae and your ‘Optimus Prime’…you should have an ‘Optimus Prime’ battle with NU’EST’s Minhyun.

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