USB rechargeable roj teeb feem ntau yog tsim nrog lithium-ion technology, uas muab lub zog ceev ceev thiab kev ua haujlwm ntev. Lawv yog tsim los kom compact thiab hnav, ua rau lawv yooj yim mus nqa ib ncig ntawm lub hnab los yog hnab ris.
Kom them ibusb rechargeable aa roj teebroj teeb, koj tsuas yog yuav tsum txuas nws mus rau USB lub zog, xws li lub computer, phab ntsa adapter, lossis lub txhab nyiaj fais fab, siv lub charger cable. Lub roj teeb feem ntau muaj qhov taw qhia kev them nyiaj built-in uas qhia tau hais tias tus nqi them, thiab nws tuaj yeem them tag nrho hauv ob peb teev.
Nws tshem tawm qhov xav tau ntawm cov roj teeb uas siv tau thiab txuag koj cov nyiaj hauv lub sijhawm ntev. Qee lub roj teeb USB rov qab tau tuaj nrog ntau lub chaw nres nkoj, tso cai rau koj kom them ntau yam khoom siv ib txhij.
Zuag qhia tag nrho, aaaa usb rechargeable roj teebyog ib qho yooj yim thiab eco-phooj ywg kev daws teeb meem uas muab portable them rau ntau yam khoom siv hluav taws xob.