Dr Trust Orthopaedic Memory Foam Cervical Pillow for Neck Support vs Dr Trust Signature Series Fingertip Pulse Oximeter (210)

What separates them

These two differ on 6 recorded specifications. The Dr Trust Orthopaedic Memory Foam Cervical Pillow for Neck Support is ₹300 dearer.

Dr Trust Orthopaedic Memory Foam Cervical Pillow for Neck Support vs Dr Trust Signature Series Fingertip Pulse Oximeter (210)

Dr Trust Orthopaedic Memory Foam Cervical Pillow for Neck Support

Dr Trust

Dr Trust Orthopaedic Memory Foam Cervical Pillow for Neck Support

₹1,499

The two contour heights are not a gimmick: a side sleeper's neck needs roughly two centimetres more support than a back sleeper's, because the gap between head and mattress is the width of a shoulder.

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Dr Trust Signature Series Fingertip Pulse Oximeter (210)

Dr Trust

Dr Trust Signature Series Fingertip Pulse Oximeter (210)

₹1,199

Plus or minus 2 percent Arms sounds tight until you notice what it means: a displayed 94 percent could be 92.

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Who the Dr Trust Orthopaedic Memory Foam Cervical Pillow for Neck Support is for

Buy it if: Side or back sleepers waking with neck stiffness on a flat pillow.

Avoid it if: Front sleepers, for whom any contour pillow forces the neck into rotation.

Who the Dr Trust Signature Series Fingertip Pulse Oximeter is for

Buy it if: Anyone monitoring a respiratory condition at home who wants a reading they can sanity-check.

Avoid it if: Anyone expecting hospital-grade certainty -- home oximeters are screening tools, not diagnostics.

Specifications, side by side

6 of 17 rows differ. Differences first.

SpecificationDr Trust Orthopaedic Memory Foam Cervical Pillow for Neck SupportDr Trust Signature Series Fingertip Pulse Oximeter
Price₹1,499₹1,199
Clinical validationNot applicable -- this is a support product, not a measuring deviceAccuracy verified against ISO 80601-2-61, the pulse oximeter standard
Measurement rangeContour heights 10 cm and 12 cm on opposite edgesSpO2 35 to 100 percent; pulse rate 30 to 250 bpm
Power sourceNot applicableTwo AAA cells, approximately 30 hours
Regulatory statusNot a notified medical deviceCDSCO registered; CE marked
Stated accuracyNot applicablePlus or minus 2 percent Arms for SpO2 between 70 and 100 percent
Stored readingsNot applicableLast reading only
ConnectivityNoneNone
Warranty1 Year Manufacturer Warranty1 Year Manufacturer Warranty
Break-inMemory foam is firm for the first week and softens not published
ContourButterfly profile, two heights not published
CoverRemovable, machine washable not published
Display not publishedColour OLED, four orientations
FillVisco-elastic memory foam, 50 density not published
Known limitation not publishedNail polish, cold fingers and dark skin tone all reduce accuracy
Perfusion index not publishedDisplayed -- a low value means the reading is unreliable
Response time not publishedUnder 10 seconds
Sleeping positionTwo heights for back and side sleeping not published

Every row is a figure one or both products record. A blank is a figure the catalogue does not hold, not a zero.

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