This item consists of a Lithium-ion battery. Never mix with sound squander stream. Used batteries really should be disposed of by a professional recycler or harmful elements handler per area polices.Vi?c soi kèo s? giúp anh em có cái nhìn t?ng quan v? s?c m?nh c?a c?p ??u t? ?ó d? dàng ??a ra l?a ch?n kèo c??c chu?n xác giúp t?ng t? l? th