Whether you’re in the office or on-the-go, keep your mobile device fully charged with our Omega Brite 4000mAh Power Bank, available in 8 vibrant colours. Featuring LED remaining battery capacity indicators and 2 USB ports, it can charge both your smartphone and tablet simultaneously.nn12.3 ( l ) 6.8 ( w ) x 1 ( h )  naluminium nlithium-polymer batterynmicro USB cablencapacity: 4000MAH ninput current: 5V/1Anoutput current:1: 5V/2.1Anoutput current:2: 5V/1A