When you are looking for small gadgets or want to buy technology for a low price, you can go to tmart.com
The shipping options are free and when you want it fast, just pay around 1$ (sometimes just 0.16$) and you have it in under 1 week (from China to UK).
When you miss an order they will help you instantly or at the same day (depends on timezones).
I can just recommend TMART, their support is competent and friendly!