One adapter converts almost all the plug types to Vietnamese plugs. Made of ABS plastic and copper.

If you have a 2-round pin (EU) or a 2 flat pin (US) plug, it should work in Vietnam, no need to buy this product.

If you have a 3-pin plug or 2-angled pin plug, buy this. Buy together with a data sim card here, free delivery to your hotel in Hanoi and Ho Chi Minh City

We can send it to your hotel before your arrival. Free delivery in Hanoi, HCMC with orders from 12 USD. 1 USD standard delivery fee in any other cities in Vietnam or orders below 12 USD.

Type A (US 2 pins), and type C (EU 2 pins) are working fine in Vietnam, no need to buy this.
Type B, D, E, F, G, H, I, J, and M might be working in some places in Vietnam but are not popular. you need to buy this adapter.
Type L and N are not working with this adapter or Vietnam plug, buy a more advanced adapter here.