Yes, but keep in mind this converter is for appliances with heating elements only, and can only be used for 15 minutes at a time.
This question is impossible to answer without knowing the wattage of the cellphone. The answer is most likely yes as most cellphones use less than 50 watts. This item may be un nessecary as most modern cellphones are dual voltage to begin with meaning you may only need a plug adapter.
No, this item is ONLY for appliances with heating elements.
Yes, but only for 15 minutes at a time.
This item will not work for your application. You would need a voltage converter to step up the voltage from US 110V to EU 220V. The VC2000W would be more appropriate for your needs. Model # VC2000W Internet #302542246
No, that toaster is rated at 1500 watts but has a much higher startup surge that would be well over the 1650 watts of the converter.
The TK1650 will provide 1600 watts for 15 minutes before it needs to cool down. It is possible but not likely that the 2 curling irons total less than 1600 watts with startup surge.
If the shaver uses less than 50 watts, you may use it with this travel adapter kit on the 50 watt setting. The 1600 watt setting is for heating appliances only.
You may with to check the owners manual for your iPhone as there is a good chance that it may already be dual voltage. If this is true you would only need a plug adapter for each country. If not, a better choice for this application would be the KRV200 which can be viewed here: https://www.homedepot.com/s/krv200?NCNI-5
This product can only be purchased online.