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We welcome your feedback! If you have a question, comment or concern regarding the MightySat® Consumer and/or the iSpO2 Consumer pulse oximeters, please complete the form below.

For all other questions, please contact Masimo Technical Services at or (800) 326-4890. For customers traveling outside the USA with their Masimo Fingertip Pulse Oximeter, local contact information can be found at



52 Discovery, Irvine, CA 92618

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