HUAWEI Band 9 sells on Amazon. I think the price is very good. Please read some of the reviews and see people thought of the product.**If you’re not sure whether to buy, add to cart, and you can come back to it later!**

Comfortable All-Day WearingNew and improved fluoroelastomer strap: Airy-light at 14 grams and wafer-thin at 8.99 mm. Soft, skin-friendly, and made to last. Sweat-wicking perforated design. Two buckles, for a snug fit and clean look.

Sleep Health ManagementHUAWEI TruSleep 4.0, Keep tabs on your heart rate, SpO2, respiratory rate, and any abnormal breathing while you’re snoozing away, for peace of mind all the time.