Yes, it is always super slow because the transmission protocol is not optimised for a high data rate, but for low power consumption and stability. In my large setup with 25 lights, this can take more than a day.
Since 2021, there are new or changed conditions regarding energy declarations. The meaning of the energy efficiency classes and the classification of appliances into them have changed.
https://www.heise.de/news...https://www.melectronics.ch/de...
According to the Trust website, the Philips Hue are compatible with ZigBee remote control, but only for ON/OFF and dimming:
https://www.trust.com/de...
Yes, it can be controlled via bluetooth, but the Bridge offers more possibilities. If you only have these two lamps, the Bridge is not worth it. However, if you intend to have several lamps, I recommend buying the Bridge.
Yes, in the Hue app you can create different lamp groups. They are then like a lamp. For this, you need the Hue bridge - then everything can also be switched on and off, dimmed etc. via voice services.
It's not very clear in fact. also in Philip hue website there are two types: reading the specifications there, the difference seems to be that the 8.5w has Bluetooth support, while the 9.5w does not. Maybe the 8.5w is a new model?
The Hue app and conventional light switches are fully sufficient, as the stored default value is recalled when switched on without any lamp being damaged. The Ambient value set by default corresponds to my feeling of a pleasant frosted light bulb of 40 watts.
Admittedly a little confusing. It probably refers to "normal dimmers". It really wouldn't work there. No problem via the Hue Bridge, of course. Brightness and light colour can be controlled there.