Put your business name in lights! Check out this Leeman™ Light-Up-Your-Logo Power Bank, a slim power rechargeable lithium-polymer battery for you USB device. Wrapped in PU and ABS rubber coating, this FCC-approved power bank features a metallic side center panel that lights up to show your logo! This charger has tech features of: 3.7V, capacity: 8000 mAh (4000 mAh each); input: DC 5V/2.0A; output: DC 5V/ 1A & 2.1A, Work current of 2000 mA. Standby current: less than 0.3; Operating temperature of 0-45 degrees C for charging and 0-50 degrees C for discharging. This device must be charged to its first use and charge time differ depending on your device. USB charging cable and instructions included. Use imprinting to showcase your logo to future clients in a fun and innovate way!