This product or service is made up of a Lithium-ion battery. Never combine with strong waste stream. Used batteries ought to be disposed of by a qualified recycler or harmful elements handler for every local regulations. trong m?t kho?n th?i gian nh?t ??nh tr??c khi ?i?u ch?nh, t?t nh?t b?n nên dùng ph??ng pháp t? ??ng ho?c xây d?ng hàm ?? ki