Color Temperature: 3800K, Battery: 1800mAh, Control Mode: Touch Control, CRI: Ra80, Item Type: Table Light, Size: 150mm*380mm (D*H), Material: ABS, Light Source: LED, Brand Name: OPPLE, Power: 5W, Is Dimmable: Yes, Working Time: 70 Hours.
Just check coupons out (with price alert and history). What is best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. We have found one coupon for this product!
Link: Banggood product page
1. ($55.21): 13f142
paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGLIGHT2020, BGTT10, bGhOnEy10, BGdragonBoat, BGSS10%SW, bgshOOp10, BGLIGHT0920, BgoFErTaSchInA10, BGELIG0920, BgcLuBofErtA10, BGAFF10OFF, BGCuponation10
(these coupons are old, so probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for Xiaomi Opple LED Rechargeable Desk Table Lamp. The lowest price was: $43.99.
Price records source(s): Banggood
Click on image to enlarge. 
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)).