Brand DT NO.1, APP Name Wearpro, Operating Mode Full-Touch, Compatible OS Android 4.4 or above; iOS 10.0 or above, Model DT102, Bluetooth Version Dual BT 5.0.
Aliexpress
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Here are coupons that you can use.
Updated: 27-08-2025
Banggood
Warehouse in China.
Link: DT NO.1 DT102 1.9 inch Smart Watch
$30.59 with coupon: BGc70579
$30.59 with coupon: BGbf11dd
Additional Banggood coupons:
1. First page
2. Second page
Price history and price alert
Do you need price history chart (for all/most countries) for DT NO.1 DT102 1.9 inch Smart Watch? There we go. The lowest price was: $25.99.
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)).