H??ng d?n, h? tr? cài ??t h? ?i?u hành và các ph?n m?m ?ng d?ng c? b?nThen just press a button and it transforms into an electric screwdriver. The Apex Drill pivots on a hinge. In seconds, you could renovate it from an influence drill to some precision electric screwdriver.N?u b?n mu?n s? h?u m?t chi?c ??ng h? cao c?p chính hãng t?i Vi?t Nam