This one-button oximeter allows you to quickly and easily measure your SpO2 and pulse rate. It powers off automatically after 8 seconds of inactivity. The price drops from $34.99 to $29.99 to $5.99 when you clip the 30% off coupon and apply code ''F4QPDLCN'' during checkout. Shipping is free for prime members or on orders over $25.

Clip the 30% off coupon