OnePlus 8T Concept Smartphone Unveiled With Colour-Shifting Back Panel That Recognises Gestures OnePlus 8T Concept can also change colours on the back to appear like it is breathing with you. OnePlus 8T Concept smartphone has been unveiled, based on the OnePlus 8T flagship. It comes with an all-new back panel that features a colour-changing film. The film can shift colours from dark blue to light silver. OnePlus 8T Concept also includes a millimetre wave (mmWave) radar module on the rear camera bump to enable touchless controls and a breathing monitor. The concept phone has been envisioned by a team of 39 designers who are based out of Shenzhen, Taipei, New York, and India. Unlike the regular OnePlus 8T that has a normal glass back, OnePlus 8T Concept features an all-new rear covering with patterns that are inspired from natural elements. There is a colour-changing film behind the glass back panel that contains metal oxide in glass and can change its colour from dark blue to light sil...