Check coupons or create price alert down below. Best price?
Application: for all ages, System: Android 4.3 or later, Net weight: 15g / 0.03lbx, Battery life: 3 months, Battery: button battery CR2032, Color: white + light gray, Protocal range: 10 m reach on doors, Data transmission: Bluetooth 4.0, iOS7 or later, Size: 33.3×33.3×13.2 (mm) /1.31×1.31×0.52 inches
Aliexpress
I could not find it on Aliexpress. 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. Coupons for Sleepace Sleep Tracker? Nope, there’re no coupons in Banggood.
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/5cd
Old coupons (from the oldest to the newest): MISLEEP, vipupgrade8, ML15%Pro, BG18sleepdot, AFfbG10, BGHTSLEE, 0e7f33, FBCOUPON1, BGHOMEA15%, BGAFF10OFF, BGCuponation10, 13f142, BGHONEY2110, BANGGOODSD
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for Sleepace Sleep Tracker.
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)).