Just check coupons out (with price alert and history). Best price?
Light color: warm white, Plug type: Type-C to USB, Lifetime: more than 20, Cable length: 1m, Color temperature: 3500K, 3W, 000 hours, Material: ABS, LED: 5V
Aliexpress
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Here are coupons that you can use.
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Price history and price alert
Here is price history (for all/most countries) for Utorch Intelligent Balance Magnetic Switch LED Table Lamp.
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)).