Tus S thiab ib qho hloov ntawm USB cov tsheb hluav taws xob feem ntau sawv cev cov qauv sib txawv sib txawv lossis qib tam sim no. S Qib feem ntau yog them nyiaj ceev ceev, thaum qib yog ib qib them qeeb. Hauv kev them nyiaj ceev ceev hom, lub charger muab qhov tam sim no ntau dua, uas yog tsim rau cov xwm txheej uas yuav tsum tau them sai; Thaum qeeb kev them hom muab cov nqi qis dua tam sim no, uas yog tsim rau roj teeb txij nkawm lossis kev them se ntev.
Tsis tas li ntawd, cov cim xob laim rau ntawm USB chaw nres nkoj feem ntau qhia tias nws txhawb nqa lub zog hluav taws xob them thiab them nyiaj ceev.
