This passage will only mention things that you should consider bringing when in Chongqing and neglect common travel items like water bottle, sunglasses, etc.
Umbrella: You may get sunburned in summer without it.
Translator: Most of people don’t speak English, so a translate app is necessary. It’s best to download offline translation packs in advance.
Optional:
Convenient stool : Super useful if you are a long-time backpacker. It’s very light and cheap. On Chinese online shop, you can get it with less than 4 dollars.