Children HIPEE Smart Back Posture Corrector (Banggood, Aliexpress: Weight 50g, Power supply Internal power supply, Charging time 1.5 hours, Software version Support IOS6.5.8 / Android 6.5.7 or above, Neck circumference 26-33cm, Communication method bluetooth 4.1 or higher, Color Pink / Blue / Yellow, Rated input 5V 1A, Size 120x132mm, Working hours 90 hours, Brand HIPEE, Relative humidity ≤80%R.H, Temperature -10-55℃ (the best price with coupon)).
Basically copy coupon, view price history or create e-mail price alert. 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 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/feV
Old coupons (from the oldest to the newest): BG308404, 8wEbgaInS5, pROMo8cuPoN, BGTS666, BG38a232, Cuponation9, BG1ee6fb, BG8ReviTrage, BGGutscheine, BG00c906, ADMITADBLACK, BG8OFFCOUPON, TTBLACK5, BG98747e, BG589b2e, Sports23q1, BG8FORMULAMX
(probably won’t work, but you can try them out)
Price history and price alert
Price history (for all/most countries) for Children HIPEE Smart Back Posture Corrector is here. The lowest price was: $17.99.
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)).