Piv nrog LED pob tshab npo yog muaj ntau thiab ntau dua kev lag luam daim ntawv thov kev cia siab, tsheb 4S khw muag khoom, khw muag khoom hauv xov tooj, khw muag khoom kim heev, khw muag khaub ncaws, khw muag khoom lag luam, khw muag khoom noj khoom haus, khw muag khoom lag luam thiab ntau yam khoom pov thawj ...
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