Bootsi Tootsi Women's Dot Rain Shoe 100% Synthetic Imported Synthetic sole Shaft measures approximately 13" from arch Heel measures approximately 1" Platform measures approximately 0.5" Boot opening measures approximately 14" around Cell type: Li polymer battery Lithium-ion Dimension: 12.5 x 63 x 16 (mm) Output voltage: 5v, Output current: 500 mA 2 Piece: top piece cover, bottom piece battery juice Color: BLACK