Hands-on with Oppo's expanding phone

A smartphone with an expanding display that can grow and shrink on demand has been demonstrated by Chinese phone-maker Oppo.

The device has a flexible display that rolls up inside the device, letting the screen expand from 6.7in (17cm) to 7.4in (18.8cm).

Chris Fox went hands-on with the concept phone to see what it was like.

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Видео Hands-on with Oppo's expanding phone канала BBC Click