Come and Check Our Promo Solutions.The wood powerbank is made from natural bamboo material. This battery back up packs a 5,000 mAh Grade A Lithium Polymer battery with a dual output. Both of the outputs are 5V/2A perfect for charging smartphones and electronic devices. Blue LED light indicators show how much power in left in the power bank. Customized printed logo or engraved logo on it. Pls check inventory and detailed info with us before placing your orders.