The Zeta rechargeable mobile power bank's lithium ion batteries give you 2,200mAh of backup power for your mobile phone or other digital device. It has an easy-to-hold shape, USB output, Micro USB input, charging indicator light and nestles into its own charging base. Your full color dome will light up when the power bank is charging. Base has one Micro USB input and two output ports to allow you to charge two devices at once. Foam pads on the bottom protect your table surface from scratches. Includes a micro USB cable to charge the power bank. Output is rated at 1A. This product has undergone the most rigorous testing in the industry and is FCC VOC, MSDS, UN38.3, Prop 65, 7P, UL60950-1, UL1642, CEC/BC certified and UL® listed. Power bank dimensions 1 3/8” x 3 7/8” x 7/8”.