I have just checked coupons. The lowest price I could get is 11.54 USD for Search Anti-Lost (in Banggood). Check coupons or create price alert down below. You probably want to know what is the best price?
Latest coupon code price check (UTC time):
Banggood (11.54 USD)
Banggood warehouse is located in China. I can’t find any active coupons for this product in Banggood. Is it good price? Well, this price is higher than average price (10.12 USD)
Link: Banggood product page
Price: 11.54 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): 2022ACTIESNL, Terence, 2203ActiesNL, BG1efeb0, MVC8SPRING, 8BGwbg2204, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, BGJUNEGSG9, Cuponation9
(you can check these old coupons out, but these probably won’t work)
Aliexpress
Click here… to search for Bakeey F8 Two-Way Search Anti-Lost Alarm Smart Tag on Aliexpress
Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for Bakeey F8 Two-Way Search Anti-Lost Alarm Smart Tag.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).