In January this year, smartphone brand OnePlus presented its first concept phone, the OnePlus Concept One. It featured color-shifting glass that looked like an “invisible camera” on the rear of the smartphone. OnePlus Concept One was meant for entertainment and had no useful features, and the company’s latest concept phone is pretty much the same.

OnePlus introduced OnePlus 8T Concept phone, which is not particularly useful and will probably never be implemented and become available commercially in real life.

However, it indeed has some fascinating distinctive features. The big thing about the new concept phone is ECMF, which stands for Electronic Color, Material and Finish. It is essentially a film that covers the phone and can change its color. It has metal oxide, which activates when someone applies voltage to it, and the glass can change its color from dark blue to light silver. The new concept phone is basically a regular OnePlus 8T model with the added color-changing film.

“Our designers took inspiration for these colors from the multi-hued flowing water in the hot springs of Pamukkale, Turkey. Nature has perfected many designs, and by drawing inspiration from Pamukkale and other natural elements, we can craft new interaction experiences that are more natural, intuitive, and effortless,” explains OnePlus.

Such technology can be implemented to, for example, notify users about incoming calls. Another peculiar feature is the one that uses mmWave technology to capture the breathing pattern of the user, "enabling the color to change in sync and effectively making the phone a biofeedback device."

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