Segmentation by type classifies pulse oximeters into five distinct product families. Fingertip devices dominate the market, representing roughly 40 % of unit shipments due to their low cost, ease of use, and suitability for both home and clinical settings. Handheld/portable units, comprising about 25 %, offer enhanced battery life and multi‑parameter monitoring, appealing to field clinicians and emergency responders. Wrist‑worn wearables, at 15 %, integrate continuous SpO₂ tracking with activity metrics, meeting the demand of fitness markets and chronic disease management. Bedside or desktop monitors hold 12 % of revenue, providing high‑precision measurements for intensive care and postoperative care where continuous data streams are essential. Continuous‑wearable sensors, making up the remaining 8 %, embed optical probes in adhesive patches or smart textiles for unobtrusive, long‑term monitoring. The relative weight of each type reflects trade‑offs between accuracy, cost, and use‑case specificity, guiding manufacturers in portfolio allocation and informing investors about growth vectors within the broader Pulse Oximeters market.