New MK66 outdoor three-proof bluetooth call smart watch rotary button heart rate blood pressure voice assistant stopwatch

screen size:1.85 inches
Dial style:square
Diameter:44mm
packing list:Watch, manual, charging cable, packing box
waterproof level:swimming waterproof
Operation method:touch + button
charging method:Magnetic charging
Wristband material:Silica gel
screen type:TFT screen
Function:blood oxygen detection
Strap style:Athletic
Case material:Titanium alloy