医生信赖和批准 指尖脉搏血氧仪 单位。 监测血氧水平 和你自己，一个家庭成员，孩子或其他个人的脉搏率。它提供了你的血液流动的力量的阅读。或者在活力运动和运动后检查心率，或者只是到 检查你的心率 一整天有了这么多的用途，你一定要携带一个或放在你的急救箱。

Doctor Trusted and Approved Fingertip Pulse Oximeter units. Monitor the blood oxygen level and pulse rate of yourself, a family member, child, or other individual. It provides a reading of the strength of your blood flow. Or check your heart rate after vigorus exercise and sports, or just to check your heart rate throughout the day. With so many uses you'll definitely want to carry one with you or place it in your first aid kit.