An oximeter is a non-invasive way of measuring the saturation of oxygen in a person's blood. The first oximeter appeared way back in 1935, but they've come a long way since then. If you’re in the market for a new wrist pulse oximeter, then you know how important it is that your new oximeter be accurate and trustworthy.However, there's a lot to know when you're looking for an oximeter to make sure you can trust it. Trying to find and understand all this information can be stressful to say the least.Lucky for you, we've compiled this information for you so you don’t have to worry! So, without further ado, let’s look at everything you need to know to find the perfect oximeter for you. Criteria Before we get right into what product you’ll want to look at, let’s take a look at what this health product needs to feature.First and foremost, the product needs to give you accurate readings. This is especially important since we're talking about a product appertaining to your health.It’s also important that your oximeter is easy to read for convenience as well. If the oximeter is Bluetooth-enabled it’s even better, because it will allow you to easily track your readings over time rather than just provide you with a single reading.Since you’re also looking for an oximeter you can wear on your wrist, it shouldn’t be too bulky either. While it should have a screen that's easy to read, it shouldn’t be so large that it's uncomfortable to wear.It should also fit snugly so that it doesn’t slide around while you're wearing it. A pulse oximeter with an alarm is also a convenient feature since it will alert you to any irregularities in its measurements. In addition, being hypoallergenic is a plus since you'll be wearing this and don’t want any irritation. CMS 50F PLUS OLED Wrist Oximeter Innovo Snugfit The product that we found makes the best pulse oximeter is the Bluetooth enabled CMS 50F PLUS OLED Wrist Color Pulse Oximeter with Innovo SnugFit. This wrist oximeter is Bluetooth, though not compatible with Mac, to help you record the measurements you take.In case this feature is a little complicated to get the hang of, the company also offers US-based technical support.Not only does it offer continuous and recordable readings, but there's an auditory and visual alarm when it detects irregularities.The fit on this wrist oximeter is also a major focus. It doesn't only fit snugly but is also hypoallergenic so that it doesn’t irritate sensitive skin. It's also made of silicon, not latex, to protect those users with allergies from it.As for the finger clip, the company has increased the tensile strength from previous models so that it fits more tightly and gives more accurate readings. Check The Best Price Here Pros & Cons This product boasts many pros to its use. On the most basic level, it offers a snug fit and precise readings. Furthermore, these readings can be easily recorded and stored thanks to the Bluetooth compatibility that this device has.This compatibility has the backing of a US-based technical support system and has both audio and visual alarms if it detects any irregularities in your reading.Even the fit and material of the watch was carefully designed. It fits tightly, helping with accurate readings. The watch is of hypoallergenic silicone to help users with sensitive skin.Unfortunately, this product isn’t perfect. One downfall is that the Bluetooth capability doesn’t work if you try to sync it with a Mac product.This is obviously unfortunate since Apple products are the perfect choice for many people. It also requires your finger to be perfectly stationary for an accurate reading. This makes it hard to use quickly and on the go, but isn't impossible to deal with. Conclusion All in all, this product goes above and beyond to meet all the criteria of a fantastic wrist pulse oximeter. Even with its drawbacks, this product blows its competition out of the water and will last you a long time.