Pulse Oximeter Fingertip, Blood Oxygen Monitor, 4 colors 1.14'' TFT Alarm & Brightness Adjustable

Key features

• High-precision medical-grade chips make measurements faster and more accurate
• Improved air silicone pad cavity improves comfort
• 20 Memories allows you to observe your blood oxygen level trends
• 5 levels of brightness adjustment allow you to measure indoors and outdoors without fear
• Alarm adjustment allows you to pay attention to changes in blood oxygen in time

Free shipping included. 30-day hassle-free returns.