MS01 OLED 0.66 inch IP65 Waterproof Bluetooth 4.0 Smart Bracelet Heart Rate Monitor Android iOS Compatibility rigorous testing

rigorous testing

No tools needed

Can be used in coffee shop

LCD screen: Yes

300m (985ft) transmission range in unobstructed place

MS01 OLED 0.66 inch IP65 Waterproof Bluetooth 4.0 Smart Bracelet Heart Rate Monitor Android iOS Compatibility rigorous testingProduct Features: Main Features: Heart Rate Monitor. 24 hours continuous all weather monitor, you can view your heart rate situation at any time Sleep Monitor. It will monitor your sleep conditions after wearing it, you can view the APP to check the details about sleep quality and time Touch Key Design. At the upper of the silver part, there is a touch key, you can touch it to switch pages, and long press to enter or quit items, open or close the