Come and Check Our Promo Solutions.Features an internal lithium ion battery with a 2200 mAh capacity and 5.0V/1A output that allows you to charge your cell phone anywhere, even without electricity. And the power bank has LED backgroud. One micro USB cable is included and you can add a custom imprint of your company name or logo before your next event. Pls check inventory and detailed info with us before placing your orders.