4,000 mAh power bank with aluminum housing. Supports 5W wireless charging and also includes a Micro USB output to allow for wired charging. With the 4,000 mAh lithium polymer battery, it can fully charge a smartphone. Power indicator that shows the charge level at all times. Micro USB input: 5V / 2A Output: 5V / 2A. 5W wireless output. Includes PVC-free TPE plastic charging cable. Supplied in a high-quality gift box.