Who does not turn on, had such a problem, you need a very powerful unit or a power bank and connect them for 30 minutes and forget! I turned on and the battery came to life! I advise
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
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
POLAR H10 HR Sensor: Bluetooth Enabled, 🏋️ Black, M-XXL – Advanced Accuracy for Heart Rate Monitoring
39 Review