USB cov ntaub ntawv cable siv rau kev sib txuas thiab kev sib txuas lus ntawm lub khoos phis tawm thiab khoom siv sab nraud, thiab tseem tuaj yeem siv rau kev them nqi thiab txuas ntawm lub xov tooj ntawm tes.
Hauv layman' s lus, nws yog siv los hloov ntaub ntawv thiab nqi.
