Entice more customers to make purchases at your place of business with this Slim-Line power bank! It’s made of ABS plastic and features a UL certified lithium-ion 4000 mAh battery. Use the included cord to plug into the one micro-USB IN port or the regular USB OUT port to charge. Four LED indicator lights are included to show the charging status. This is a great item to give out to technophiles at a fun conference. Imprint this with your company name or logo and make yourself memorable!