Advanced Charging Technology: This Power Bank has technology combine to deliver an optimized charge to your devices, while the trickle-charging mode is the best way to charge low-power accessories.Advanced Charging Technology: This Power Bank has technology combine to deliver an optimized charge to your devices, while the trickle-charging mode is the best way to charge low-power accessories.Simultaneous Charging: Twin USB ports allow you to charge two devices at the same time. The USB-C port cannot charge other devices.Versatile Recharging: With both a USB-C and Micro USB input port, you have more options over how you recharge. Recharging PowerCore with a 10W charger will take approximately 10.5 hours, while recharging with a 5W charger will take approximately 20 hours. Promate.UAE: We recommend purchasing from the official "Promate.UAE" seller to ensure the best quality and warranty coverage. PROMATE offers a 2-year manufacturer's warranty on this product, so you can buy with confidence.