OPPO Watch Free – Smart Watch, AMOLED Curved Screen, 32g, Bluetooth 5.0
OPPO Watch Free – Smart Watch, AMOLED Curved Screen, 32g, Bluetooth 5.0, 5ATM Resistance, 230 mAh Battery, Fast Charge – Vanilla Health Management: All-day and all scenario sleep monitoring endorsed from Tsinghua University, it monitors blood oxygen level and heart rate variability when the user snores, allowing for timely assessment and detection of possible breathing problems. Battery: 230mAh, 14-day long...