Description
Product Overview
The Aleshon Model 333 pulse oximeter is a compact, unisex device designed for quick and reliable monitoring of blood oxygen saturation (SpO2) and heart rate. Measuring 2.36 x 1.38 x 1.38 inches and weighing just 0.91 ounces, it fits easily in a pocket or on a lanyard. Powered by two AAA batteries (not included), the unit features an upgraded high‑definition 4‑color TFT screen that remains clear in bright sunlight or low‑light environments. The intelligent sensor automatically detects finger insertion and powers off after five seconds of inactivity, extending battery life. Certified as a top‑ranked health device, it holds a #16 position in Athletic & Aviation Pulse Oximeters on Amazon.
![[Product front view showing all components]](https://www.mybookshop.store/wp-content/uploads/2026/06/ec82a28e6252430795623bf1b355f0af.jpg)
Usage
Designed for active lifestyles, the Model 333 is ideal for mountain climbing, running, biking, and other high‑intensity activities where oxygen levels can fluctuate. It also serves seniors, professional athletes, and fitness enthusiasts who need real‑time health data during workouts or travel. Simply place a fingertip on the sensor, press the single button, and obtain a reading within five seconds. The device’s lightweight build and lanyard attachment make it convenient for on‑the‑go monitoring, whether at the gym, on a trail, or during daily routines.
Why Choose Us
Aleshon combines precision engineering with user‑centric design. The Model 333 undergoes rigorous quality checks to ensure consistent accuracy across a wide range of skin tones and ambient conditions. Its automatic power‑off feature conserves battery life, while the durable casing resists drops and everyday wear. Backed by a responsive customer support team, Aleshon offers hassle‑free warranty service and replacement parts, reinforcing confidence in long‑term performance.
Key Features
- Fast 5‑second SpO2 and heart rate readings for immediate health insights.
- Bright 4‑color TFT display visible in any lighting condition.
- Automatic finger detection and power‑off to save battery.
- Compact, lightweight design with lanyard for easy portability.
- Dedicated Aleshon support team provides warranty and after‑sales assistance.
FAQ
How accurate is the Model 333 pulse oximeter?
The device meets clinical standards for SpO2 measurement, offering accuracy within ±2% for most users when used correctly.
Can I use the oximeter on children?
Yes, the fingertip sensor works for children over 3 years old, providing reliable readings with proper placement.
What type of batteries does it require?
The Model 333 operates on two standard AAA batteries, which are not included in the package.
Is the device water‑resistant?
The unit is splash‑proof but should not be fully submerged; keep it dry to maintain optimal performance.
How do I reset the oximeter?
Remove the batteries, wait a few seconds, then reinsert them to perform a full reset.
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