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.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.Compact Design: Lightweight, slim, and portable enough to put in your pocket, place in your bag, or use on the go.Multi Protect System: The Bolt-10Pro ensures safe and dependable charging, as it features over-charging and high-voltage protection.An outstanding feature of the Bolt-10Pro portable charger is that it includes two USB output ports, which share 10W output. This means you can use the Promate power bank to simultaneously charge a smartphone as well as tablet devices. You can even charge two tablets at the same time, making this a very versatile portable charger.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.