1.Simple stylish and compact design, unlike most of the flat design, this power bank gives a fashionable and high-end appearance. The concave design and curve edges make the product look simple, stylish and special. 2.Power bank charger with Dual output ports, up to 4A output for each USB port,(USB A is output port) capable of charging 4 devices at the same time, helping solve power concerns when your family or friends go out, and also charging the camera 3.Portable charger with 2 Ports input ( Micro USB for most other cable of smartphoe,USB Type-c for some New Smartphone cable), with which you can simultaneously charge this mobile power supply, and capable of being charged with different types of charging lines, such as: USB etc. 4.Power banks Suitable for all rechargeable devices such as smart phones, tablets, cameras, mini speakers, Bluetooth earphones, handheld game players, etc. The output power is 5V 4A. 5.Friendly after-sale services, Once you encounter a problem, we will provide you with unconditional refund or a free replacement. You don’t need to send the problematic product back. Our product also comes with a 2-year-warranty. You are welcome to contact us at any time!