The 3-in-1 Power Bank 4000 is your perfect on-the-go accessory. This Power bank is a great size to bring along without any added bulk. Powered at 4000mAh, the 3-in-1 Power Bank 4000 can keep your mobile phones and mini tablets charged with no problem. And no need to look for charging cords as there is a Micro USB/Lightning Combo Cable Connector, as well as a Type-C Adapter built-in to this Power bank to take care of all your charging needs.