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The Belkin F8E449 is an older universal AC plug adapter. Consider it by the actual unit's condition, destination fit and the devices you will connect; it is not a modern USB charging hub or a voltage converter.
What the manual establishes
The manufacturer-authored F8E449 manual, available as an archived copy, describes integrated North American/Australian, UK and European plug arrangements. It explicitly says the unit does not convert voltage. The manual tells users not to use it if a plug fails to lock in the proper position. Use the instructions for the actual unit rather than relying on a generic travel-adapter listing.
Device compatibility
Check the input voltage printed on the connected charger or appliance against the destination supply. A plug that fits does not establish electrical compatibility. Follow the unit's labeled rating and the manual. Do not assume an old adapter is suitable for a high-power appliance.
Tradeoffs against newer adapters
The F8E449's plug-adaptation role differs from a modern unit with built-in USB charging. If your suitable charger already supplies the USB power you need, extra charging ports may be unnecessary. If you carry several USB devices, compare the total packed setup with a multiport adapter.
Condition and buying
For used equipment, check the exact model, complete parts, plug locking and signs of damage. Do not treat a listing's stock, price or positive review summary as current manufacturer support. Compare current alternatives and warranty terms if replacing the unit.
Decision
Choose by destination fit, documented ratings and the condition of the actual unit. Consider a simpler country adapter or a suitable USB-equipped alternative when those better match your equipment. This is a manual-based evaluation, not a modern performance test or a claim of worldwide compatibility.