oled large round screen smart band heart rate blood pressure bracelet swimming watch fitness tracker sports wristband for ios android phone

model number: dm58 ; accelerometer / gyroscope: 3-axis, 3d acceleration ;battery: 120mah ;lcd: 0.95inch resolution 96*64 ;os: ios8 version above and androld 4.3 version above;touch screen: single-touch;function: movement monitor(steps,distance,calories), hand raise light up;feature: sedentary reminder, heart rate monitor, find my device ;bluetooth: bt 4.0 version