Slim Credit Card Sized Power Bank That Comes in Its Own Handy PU Protective Case. Available in Aluminium Metal or Stainless Steel Metal Both Ideal for Laser Engraving. Stainless Steel Metal Features the Additional LED Sides. High Quality Li-polymer Battery with 2000mah Capacity for Charger Phones & MP3 Devices. Input USB 5vdc-0.8a, Output Micro USB 5v Dc-1a. Brushed Aluminium Metal - Black, Gold, Blue, Stainless Steel Metal with Colour LED Indicator - Brushed Silver-blue, Brushed Silver-red, Lacquered Blue-blue Light, Lacquered Black-red Light. Available in Brushed Aluminium Metal - Black, Gold, Blue, Stainless Steel Metal with Colour LED Indicator - Brushed Silver & Blue, Brushed Silver & Red, Lacquered Blue & Blue Light, Laquered Black & Red Light. Minimum Quantity: 25.