Portable Shock-Resistant Case w/ Dual Audio Speaker for 7" Tablet PC - Black
Brand N/A Quantity 1 Piece Color Black Material Plastic + fabric + PU leather Type Others Compatible Models 7" tablet PC Compatible Size 7 inches Other Features With dual-speaker Diameter: 50mm Impedance: 40ohm Frequency response range: 275Hz~20KHz Output power: 0.5W; Built-in 500mAh lithium battery; Working time: 8~10 hours; Charging time: 3~4 hours; 3.5mm audio plug Packing List 1 x Protective case w/ external speaker (30cm-cable) 1 x USB charging cable (60cm)