Last year Xiaomi released an E Ink Hygrometer and thermostat. The company in the process of developing a second generation version that has Bluetooth and is compatible with Apple Homekit, Mijia and Aqara hubs. It will also include a VOC sensor.
Not much is known about this device, it hasn’t even been officially announced yet.
Michael Kozlowski is the Editor in Chief of Good e-Reader. He has been writing about audiobooks and e-readers for the past ten years. His articles have been picked up by major and local news sources and websites such as the CBC, CNET, Engadget, Huffington Post and the New York Times.