Color Black + Silver Brand KINGMAX Model KEBG-M01 Quantity 1 Piece Material Stainless steel + aluminum alloy Compatible Models Universal for USB 2.0 Battery Type Li-polymer battery Nominal Capacity 4000 mAh Battery Actual Capacity 4000 mAh Capacity Range 3001mAh~4000mAh Input Voltage 5 V Output Current 1 A Output Voltage 5 V Other Features - CNC processing ultra-thin design thickness is 7.5mm. - High quality lithium-ion polymer batteries safe and durable. - With LED indicator suitable for most mobile phones. - Working temperature: 10~40'C. - Charging time: about 4 hours. Packing List 1 x Power bank 1 x Data cable (20cm) 1 x Pouch