Compatible System Android system 4.4 version or above; iOS system 8.0 version or above, APP Name WearPro, bluetooth Version BT 4.0, Operating Mode Full Touch, Brand DT NO.1, Model DT94, Chip Realtek 8762CK.
Basically copy coupon, view price history or create e-mail price alert. Let’s see what best price is ATM.
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. ($35.85): BGc70579
just apply this code 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): BGDT94, bgdt15, band10, BGDN94, BGWRIBAND10, BG53bbbb, BG54a865, BG0fe5fd, BGb189a4, BG6ce764
(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 DT NO.1 DT94 Fitness Tracker is here. The lowest price was: $19.99.
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)).