Advan S2 Pro Smartwatch (Trade In)

Size : 46.3 * 38.4 * 10.5 mm
Width of strap : 22mm
Screen size : 1.952inches
Display : AMOLED 410*502
Battery 300mAH
Charger interface : DC5V magnetic charging
Material : Zync alloy + MIL
Strap material : Silicone
Sensor : G-Sensor, Blood pressure, Heart rate,Blood Oxygen, Sleep Monitor, Pedometer
IP68 Waterproof
Bluetooth : 5.3+EDR
System version : Android 6.0 or above&iOS 9.0 or above
APP name : Da Fit