Model Prime 2, Compatible OS Android 5.1 or above, bluetooth Version BT 5.0, CPU: Helio P22 Octa-core 1.5GHz, Operating Mode Full Touch+Press Button, ROM: 64GB, Resolution: 480*480pixels, Charging Type: Dock Charging, APP Name WiiWear, RAM: 4GB, Camera 13MP Rotatable Camera, iOS 9.0 or above, Heart Rate Sensor, Using time: About 2 days, Type: IPS, Operating System Android 10, G-sensor, 326PPI, Battery Capacity: 1600mAh, Charging Time: About 3 hours, Standby Time: About 3 days, Size: 2.1inch.
Price history, coupons and price alert are available on this page. You probably want to know what is the 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 and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($232.81): hoNEYbGdeAlS
2. ($232.81): BG8ReviTrage
put item in your cart and apply coupon code there 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): 07bbc7, Email5, bgwp, BGGRPRIME2, BGB5KP2, BGKPP2, BGDEPRIME2, BGSTUDENT10, BGNYP2, BG3KP2, BGKSPRIME2, BG5c3d71, BGSWATCH10, BGbb88c3, BG999185, BGf38a08, BG087486, BG27f06f, BG7d83e7, BGBFPM2, BG85a7ca, BGbd4a16, 2022ACTIESNL, BG7d0a1c, BGd50c7f, pROMo8cuPoN, BGJUNEGSG9
(these coupons are old, so probably won’t work)
Price history and price alert
Price history (for all/most countries) for Kospet Prime 2 4/64GB 4G Smart Watch is here. The lowest price was: $185.99.
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)).