Come and see our amazing products. This 8000 mAh portable wireless powerbank features a rechargeable lithium polymer battery and a suction design. Micro USB: 5V/2A Capacity: 8000 mAh. This device works on some smartphones which supports the wireless technology. And it also works with all smartphones or tablets that does not have wireless technology through the normal power bank capabilities. Your price includes a one color imprint. Pls confirm further with us if any query about packing info, inventory status and time schedule.