Section 4 no. 5 battery emergency portable power supplyModel: B - 01Shell material: PCUSB total output: DC 5V 1ASize: 35 * 35 * 82 mmCertification: CEColor: brilliant red, sky blue, military green, pink, white, pure blackFeatures: can be customized LOGOPros: easy access to no. 5 battery; LED microlight;For most digital electronic products;Scope of application: suitable for mountain climbing, bicycle exercise, outdoor and other USES, also suitable for natural disaster areas.