Tank Capacity 130ML, Weight 220g, Size 147*100mm, Voltage DC 5V, Power 3W, Application Indoor Area About 31~40㎡, Time Setting 2-8 Hours, Noise <36dB. Get coupons, create price alert or check price history out! Do you want to know what the best price is?
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 and price update (UTC):
Banggood
Banggood warehouse is located in China. I found coupon for you. Check this out.
Link: Banggood product page
1. ($21.77): BG10OFFAFF1
you should apply the coupon in your cart 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): f95007, db7afa, healthylifestyle, HHHHHOT, 502C6B, vipupgrade8, ML15%Pro, BGDouble11HC, BG11VIPD, BG9922, BGHHH2, BG22SP, bGhOnEy10, BGHMB7, bgshOOp10, BGHome15%, BGHOMEAPP13, BGHOMEA13, BGEWH99, 13f142, BGCuponation10, BG10OFFAFF, BGwhielabel
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Price history (for all/most countries) for USB Electric Wood Humidifier Essential Oil Diffuser 130ml is here. The lowest price was: $5.99.
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)).