Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. I don’t think there is an active coupon right now – at least in my database.
Link: Banggood product page
Price: -3 USD
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
There were country-specific coupon codes published on Couponsfromchina social channels and price alerts. Coupon price may vary by country, because there’re different VAT rates, shipping cost etc. There is a chance that some latest coupons are still working:
Old coupons (from the oldest to the newest): MVC8SPRING, 8BGwbg2204, DealBGimpact, Cuponation9, 9OFFSUMMER, BGLED07, BG8ReviTrage, BGccec78, BGLEDNOV2022, TTBLACK5, BG589b2e, BGSaleFeb8, BGSCHOOL8OFF, BGCAPITALOS8, BGCOUPERT8, BG8FORMULAMX
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for Tubicen JINGLE T140002-TC LED Touch Control Table Lamp 2000mAh.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).