Two USB charge ports with 2.1 A total current - fast charging of 2 smartphones or 1 tablet, Protects equipment from damaging power surges and spikes, Maximizes performance by reducing EMI/RFI interference and allowing only clean power to equipment. Features: Two USB charge ports ...Two USB charge ports with 2.1 A total current - fast charging of 2 smartphones or 1 tablet, Protects equipment from damaging power surges and spikes, Maximizes performance by reducing EMI/RFI interference and allowing only clean power to equipment. Features: Two USB charge ports with 2.1 A total current, fast charging of 2 smartphones or 1 tablet, Protects equipment from damaging power surges and spikes, Maximizes performance by reducing EMI/RFI interference and allowing only clean power to equipment.