Laser npav tshuab tau siv nyob rau hauv ib qho kev lag luam rau cov cim npe, thiab nws tsis muaj kev zam rau kev lag luam xov tooj ntawm tes.Cia peb ua piv txwv iphone.Txij li thaum nws tsim, los ntawm iphone 5 mus rau iphone Xs, laser npav yog qhov tseem ceeb rau nws feem.Xws li IC, hlau conduction sab hauv, muaj uni ...