TechSussd

Amazfit

Amazfit T-Rex Ultra 2

What the published evidence says about this watch, metric by metric. Every accuracy, compatibility and specification fact on a device page links to its source and shows its date. How we grade it.

Accuracy evidence

  • Heart rate at rest

    Unvalidated

    No published test we can use yet. That's not proof it's poor, just no evidence either way.

  • Heart rate in steady exercise

    Unvalidated

    No published test we can use yet. That's not proof it's poor, just no evidence either way.

  • Heart rate in interval exercise

    Unvalidated

    No published test we can use yet. That's not proof it's poor, just no evidence either way.

  • Step count

    Unvalidated

    No published test we can use yet. That's not proof it's poor, just no evidence either way.

  • Energy expenditure

    Unvalidated

    No published test we can use yet. That's not proof it's poor, just no evidence either way.

  • Sleep duration

    Unvalidated

    No published test we can use yet. That's not proof it's poor, just no evidence either way.

  • Sleep staging

    Unvalidated

    No published test we can use yet. That's not proof it's poor, just no evidence either way.

  • VO2max estimate

    Unvalidated

    No published test we can use yet. That's not proof it's poor, just no evidence either way.

  • GPS distance and pace

    Unvalidated

    No published test we can use yet. That's not proof it's poor, just no evidence either way.

Works with your phone?

We haven't checked which phones it works with yet.

Check it against your phone

Specification: claimed and measured

Where to buy

A price we checked more than 6 hours ago is shown as last seen, not as current. Prices are the delivered total where the retailer tells us delivery; otherwise we send you to see the price there.

No retailer we work with lists this watch right now.