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Product Features:

AC Adapter for charging compatible USB Hardware
The AC Adaptor can be used for charging 3 peripherals such as the Wireless Controller, Wireless Keypad and Wireless Headset.
Compatible with all 3 peripherals that have a USB connection, that means you don't need to keep your 3 on to charge your peripherals any more.
The AC Adaptor plugs into your mains wall socket and you can connect two USB cables at the same time for additional charging requirements.
Charge your peripherals without switching on your 3
It can charge two at a time

Product description:

With this device, users can charge the Compatible with PS-3 wireless controller, SIXAXIS wireless controller, Bluetooth headset and Wireless keypad without turning the Compatible with PS-3 system on*. The AC Adaptor can also be used to charge the Compatible with PSP system (PSP-2000/3000 series) in USB mode.