4K DisplayPort to HDMI Adapter 5-Pack, Uni-Directional Display Port DP to HDMI Adaptor Converter Male to Female(1080p 120Hz), for AMD NVIDIA Dell HP Laptop HDTV Monitor Projector, [Passive]

DURABLE DESIGN: The SR Flexible Strength Design, 24K gold-plated ports, latch-free and military-grade tensile nylon can ensure that this USB-C to HDMI adapter withstand up to 25, 000 flex times and accurately transmits signals, greatly extending use life
NOTE: Please ensure that the display resolution and refresh rate settings are consistent to avoid abnormal display; High-resolution data transmission will cause the chip to heat up, please don't worry too much

Is this cable active or passive?
It's passive. No extra power is needed. It doesn't amplify signals. But for a DP - to - HDMI adapter, it converts DP signals to HDMI while simply allowing them to pass through for transmission or connection.
Can it be used to connect devices with HDMI output ports, such as the Fire TV Stick and Xbox, to DP ports?
No. It is only applicable for connecting DisplayPort - enabled computers to HDMI monitors. It's not suitable for monitors with DisplayPort input, as it is a one - way adapter.
Can a DP to HDMI adapter be used with a docking station/KVM?
Can't be used with docking stations or KVM switches. Only very few on the market support DP++ mode, so data transmission isn't possible.