The only thing negative about it, is that it beeps if your oxygen level is too low. To me, its annoying but it may not bother you.
Smart bracelet Xiaomi Mi Smart Band 5 Global, black
244 Review
Track Your Oxygen Levels And Heart Rate With IProven Fingertip Pulse Oximeter β Includes Battery, Case, And Lanyard In Blue
49 Review
Fast & Accurate Digital Ear Thermometer For Adults, Kids & Babies - IProven DMT-511 [Forehead & Ear Mode, LED Display, Fever Alarm And 35 Memory Slots]
44 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