Description:Battery: Lithium batteryCapacity of chip: 3.7V\/10400mAh(TYP)Operating temperature: -10\u2103-40\u2103Dimension: 125*100*32mmOutput voltage: DC5.0VInput voltage: DC5.0VOutput current: 2100mAh(TYP)Input current: 1500mAh(TYP)Time of charging:about 5.2 hours(5V\/2A charger、 USB Cable)about 10.4 hours(5V\/1A charging、 USB Cable)Ip68: waterproof: 30min、up to 1mimpervious to dust and microparticlesPackage include:1 x Power Bank1 x Micro USB Cable