Updated: 08-01-2026.
Bluetooth 4.2 Heart Rate / Sleep Monitor IP68 Waterproof
Banggood warehouse: China.
Discount price $18.38 with coupon: BGAFF10OFF
Additional Banggood coupons:
1. First page
2. Second page
Aliexpress
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Price history and price alert
Here is price history (for all/most countries) for Lenovo Cardio Plus HX03W Smartband. The lowest price was: $9.99.
Price records source(s): Gearbest, 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)).