S90Z Smart Watch Heart Rate Blood Oxygen Health Monitoring Sport Bluetooth Calling

Strap material: silicone

Color: black, blue, sliver

Communication: without card

Charging method: magnetic 

Screen: TFT, square

Operation method: touch+keys

Packing list: watch+user manual+charging cable

Strap style: classic fastener

Function: waterproof, step counting, heart rate monitoring, Bluetooth calling, intelligently reminding, sleeping monitoring, blood oxygen detection

Duration: 7-14days

Weight: 53g