Power supply type: USB powered, Light color: white light / warm light / natural light(optional), Power: 5W, Type: button type nine-level light / touch type three-level light(optional), Material: all aluminum + PVC translucent cover, Overall diameter: 15cm/25cm, Voltage: DC 5V, Light source type: LED, Color: Black/White(optional).
Just check coupons out (with price alert and history). You probably want to know what is the 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 coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. There are no active coupons for this product, but the price is pretty low isn’t it?
Link: Banggood product page
Price: $-3
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 and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): BG00c906, ADMITAD2212, 2022ACTIESNL, Terence, BGLED2203, 8Couponsde, MVC8SPRING, 8BGwbg2204, BG289c28, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, BGf94f14, BGLED2206, BG8ReviTrage, Cuponation9, BG0a14b6, 9OFFSUMMER, BGLED07, BGccec78, BG589b2e
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Do you need price history chart (for all/most countries) for 25cm LED Dimmable Touch Table Lamp Circular? There we go. The lowest price was: $11.21.
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)).