Gi?i m?i (bao g?m t?t c? gi?i nào có s? thay ??i, c?p nh?t m?i ho?c ?i?u ch?nh)This product includes a Lithium-ion battery. Do not mix with strong waste stream. Spent batteries need to be disposed of by an experienced recycler or hazardous components handler for every neighborhood regulations.H?i ??ng x? s? ki?n thi?t mi?n B?c bao g?m 28 ??n v?