Apple shows off three new iPhones and smartwatch to detect heart problems

Tech giant unveils new gadgets at California bash, including biggest iPhone yet and Apple Watch with range of health features

• Apple Watch Series 4 – full details
• iPhone XS and XS Max: Apple’s biggest yet

Apple has launched a trio of iPhones and upgraded smartwatches that can detect heart problems at its annual product launch event in Cupertino on Wednesday.

The tech company unveiled a new iteration of the flagship iPhone X with a 5.8in screen dubbed the iPhone XS – pronounced “ten S” rather than “excess” as well as the iPhone XS Max, which comes with a larger 6.5in screen.

Related: iPhone XS and XS Max: Apple launches its biggest, most expensive phone yet