Even as a gift, the headphones I received are only OK. Even without the advertised blood oxygen meter, my wife's Huawei band 3 is much superior.
SadoTech Necklace: A Wireless Medical Alert System For Caregivers And Seniors
44 Review
Track Your Oxygen Levels And Heart Rate With IProven Fingertip Pulse Oximeter – Includes Battery, Case, And Lanyard In Blue
49 Review
Impressive IPROVEN BPM-417 - Digital Wrist Blood Pressure Monitor For Home Use - Large Cuff And Heart Rate Monitor - Real-Time BP Reading With Wrist Guide, Movement Sensor, And Backlight
42 Review
Accurate No-Touch Thermometer For Adults And Kids With Fever Alert And Memory Recall
47 Review