What's in the box:

Portable Mini Fingertip Pulse Oximeter Lightweight Blood Oxygen Saturation Monitor Pulse Rate Measurement Meter with Clear Display Screen for Home Use Trainers Mountain Climbers Sports Enthusiasts Pregnant Women the Elderly Children (Standard)

Features
[Multinational Oximeter] With high-end chip and sensor, human body pulse rate and blood oxygen saturation levels measurement is quick and precise.
[Humanized Ergonomic Design] Fingertip pulse oximeter, fits well with your fingers, comfortable to use, suitable for trainers, mountain climbers, sports enthusiasts, pregnant women, the elderly, children, and more.
[Clear Display Screen & One Key Measurement] Just put your finger into it and wait for result, and then you can obtain your heart rate and blood oxygen saturation level, which will be displayed on the screen precisely.
[2 * AAA Battery Power Supply & Low Blood Pressure Warning] No need to charge frequently, no power cord connection, convenient for use; when your blood pressure is lower than the normal level, it will remind you automatically. (Batteries are not included.)
[Lightweight & Portable] Weights only 30g, can be easily held by one hand, comes with hand rope, convenient for carrying, suitable for home use, office, and travel, check your health condition at anywhere anytime!

Specifications
Color: Black & blue
Material: ABS
Product Size: 5.5 * 3.1 * 3cm/ 2.1 * 1.2 * 1.1inch
Product Weight: 30g/ 1.05oz
Package Size: 8 * 5 * 3.5cm/ 3.1 * 1.9 * 1.3inch
Package Weight: 37g/ 1.3oz

Note
Not recommended for medical use.
Batteries are not included.

Package List
1 * Oximeter
1 * Hand Rope
1 * User Manual