m0sh
Singer Song Writer Stoner
Yep, any 5V USB outlet will be of great use and are somewhat easy to find. I use mine with an iPad power brick or a rapoo P500 powerbank, though I've plugged it into a 12V car adapter, laptops, desktops, random USB power outlet adapters and a DVD player. All have worked perfectly.
Here's the product page for that Shenzhen promo and deats
OK then, the UM20 would be great for charging using my friend's PC.
BTW, I see that the new i4 has 750mah/1500mah charging.
Is 750 too much?
I need to know ASAP, my friend is buying this in the next hour.