SMA R21 Round Screen Smart Watch Dual Model BT Calling 100+Sports Smartwatch

1.45-Inch TFT 412*412px
100+ Sport Modes
Cloud Watch Dial & Custom Watch Dial
Bluetooth Call
Blood Oxygen (SpO2)
7*24 Hours Heart Rate Monitoring
Blood Pressure/Step/Sleep Monitoring
IP67 Waterproof
Data View

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Color：

Product Name	SMA R21 Round Screen Smart Watch Dual Model BT Calling 100+Sports Smartwatch
Touch Screen	1.45-Inch TFT Screen
Touch Panel	412*412px
APP	Smart-Time Pro
Chipset	AC
Bluetooth Version	5.3+3.0
Ram+Rom	640Kb+128Mb
Waterproof Level	IP67
Body Material	Zinc Alloy
Strap Material	Silicone
Colors	Black,Blue,Silver / Customization
Battery Capacity	300mAh

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