[NONFUNCTIONAL] HOLFENRY Pulse Oximeter Fingertip - Large Display Oxygen Monitor Fingertip with Fast 5-8s Reading for SpO2/Heart Rate/PI, Accurate Pulse Ox for Home/Sports/Travel, Batteries & Lanyard Included

Additional Details from the Manufacturer

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More features

• 3-in-1 Fingertip Pulse Oximeter - Tracks blood oxygen saturation (SpO2), pulse rate, and perfusion index in one go. Gets you readings in 5-8 seconds with advanced sensor tech, so you always know where you stand. For sports and aviation use only. Not a medical device.
• Large OLED Display, Easy-to-Read Numbers - Bright OLED screen with oversized digits you can read at a glance, even in dim light. Signal strength indicator shows how strong your pulse reading is.
• One-Button Simplicity - No setup needed. Press once to measure. Auto shuts off after 8 seconds without a finger, saving battery life for the long haul.
• Pocket-Sized Oxygen Monitor & Lightweight - Compact design you can easily take anywhere. Comes with a lanyard and 2 AAA batteries included. Just open the box and start using it right away - perfect for home, travel, or outdoor activities.
• Use It Anywhere - Daily wellness tracking, hiking, skiing, cycling, running, or aviation. Perfect for athletes, mountain climbers, and pilots who want to check their oxygen levels and heart rate during workouts or at high altitude.
• What You Get: 1* finger pulse oximeter, 1* lanyard, 2*AAA batteries. Note: this device is only used for sports and aviation purposes, not intended for medical purposes .