Type: Multi-function recorder watch Brand: B7 Main
Size: 36 x 48 x 12mm Main Material: PC+carbon fiber Wristband
Size: 225 mm Wristband
Material: Food grade silicone Bracelet Buckle: 304 stainless steel Key: Touch+ Press button Waterproof Level: IP67 MCU: ARM-Cortex M4 Bluetooth: BLE4.0 Blood Oxygen Measurement: Red light sensor (fingertip, red light, high accuracy) ECG: Maxim 3rd Gen Oximetry & Heart Rate Bio Sensor Blood Pressure Measurement: PTT principle Heart Rate Sensor: Green light PPG Screen: SHARP 1.28