This item incorporates a Lithium-ion battery. Tend not to combine with strong squander stream. Put in batteries should be disposed of by a professional recycler or dangerous elements handler for each regional regulations.V?i nhi?u s? ti?n ích, m?i l? và ??c ?áo trong ch?t l??ng d?ch v?. 123B hy v?ng ng??i ch?i s? ???c tr?i nghi?m nh?ng phút gi�