Bluedio Turbine Headphone Red 4th Generation

Bluedio Turbine headphones in red, 4th generation superior version. Comes with a drawstring carry bag and a 3.5mm Type-C audio cable. Bluetooth version 4.2, drivers are 57mm. This was my sister estate who passed away on April-21-2024, given as a gift but it has never been used ……..😢🤔