OLED DISPLAY – Features a bright OLED screen with clear visuals and six viewing interface modes for easy reading from any angle.MEASURES SpO? & PR – Accurately monitors blood oxygen saturation (SpO?) and pulse rate (PR) for fast health tracking.ONE-BUTTON OPERATION – Easy to operate with a single button, making it convenient for seniors, children, and caregivers.AUTO POWER MANAGEMENT – Automatically switches off in 8 seconds when not in use to conserve battery life. TWO POWER MODES – Operates with two AAA batteries (included), ensuring reliable performance on-the-go. HEALTH INDICATORS – Displays heartbeat, pulse bar graph, buzzer alert, and battery status for comprehensive health monitoring.COMPACT & LIGHTWEIGHT – Weighs only 50g, perfect for daily carry, home use, or travel in your first aid kit. SUITABLE FOR ALL AGES – Ideal for both children and adults, making it a family-friendly health tool. 6 MONTHS WARRANTY – Backed by a manufacturer warranty for peace of mind and product reliability.READY TO USE – Comes complete with 2 AAA batteries, a lanyard, and a user manual for immediate setup and use.