You need not carry separate charging bricks for all your tech accessories once you have the Satechi 4-Port USB Charger. It can smartly fit into any standard wall outlet with two ports providing 5 volts / 1 amp and 2 more ports providing 5 volts / 2 amps of power. So charging your smartphones, tablets, music players, cameras and more becomes super easy and extremely convenient. Once plugged in, the blue LED acts as an indicator to inform that the charger is ready for service. It has internal protection against over-voltage, overcurrent, and short circuits to ensure your devices are free from unwanted electric hazards. A portable charger serving 4 of your power hungry gadgets at once. When plugged into a standard wall outlet, this USB Charger replaces up to four charging “bricks” to clear up wall space.