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– Model: HHT210, – AC power input: 100 – 240V AC, 50 / 60Hz, 6.3A (max), – Max power: 1380W at 230V, 660W at 110V, – USB output: DC 5V 3.5A (max), – Certification: RoHS, CE, FCC
Aliexpress
There’re some similar (or not) items on Aliexpress
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Price history and price alert
Price history (for all/most countries) for International 4 USB Port Travel Charger Adapter is here.
Price records source(s): Gearbest
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You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).