What you need when several USB devices need to charge or power while your computer/laptop is not available? Would you need those heavy and bulky AC power adaptors for each device or this 'AC to 5-USB Power Adaptor'? This adapter can power up to 5 USB devices simultaneously from one wall socket as it comes with four built-in female ports and one mini-B connector. It is an ideal travel charger kit for travelers who need a number of USB devices without burden.