Yes—voice control is worth having when you want to change a red light therapy setting without leaving your position, reaching behind you, or touching the panel during a hot or humid session. It lets you make supported adjustments hands-free, while touch remains a useful backup for initial setup or when a command is not recognized.
Choose voice when reaching the panel is the problem

Voice control is worth having when it removes a real interruption. It can help after you have settled into position, when the panel hangs behind you, or when limited reach makes a touch control inconvenient. In those situations, a short spoken command is easier than standing up, turning around, or stretching toward the panel.
A sauna changes the balance further. Heat, humidity, and the position of the panel can make hands-free control more useful than it would be in an ordinary room.
The BestQool Sauna Red Light Therapy panel is suitable for this kind of setup. Its voice control works without Wi-Fi after the panel is switched on. The commands are listed on the back of the device and are intended for use within about 2 meters, or 6.6 feet, when nothing blocks the path. During a long sauna session, this model may become warm, so voice control can reduce how often you need to touch it. This makes it a practical option when you want hands-free control in a sauna or another place where reaching the panel is inconvenient.
Those limits still matter. Voice becomes less useful if the panel is behind an obstacle, you are outside its working range, or the available commands do not cover the adjustment you want. Check the current instructions before relying on voice as your main control method.
Choose touch when certainty and quiet matter more
Touch is usually easier for turning the panel on, setting the initial session, and making an exact adjustment while you are standing beside it. A button press also gives you a clear physical action to check. You do not have to remember the command wording or wonder whether background noise affected recognition.
Keep touch as your primary control if you use the panel in a shared or quiet room where speaking feels awkward. If reaching the panel takes only a moment, voice may add complexity without saving meaningful effort.
The broader design principle is to retain more than one workable interaction method: the U.S. Access Board's accessibility guidance for information and communication technology addresses alternatives for speech-based and manual operation. For a home panel, that supports treating touch as a practical fallback rather than relying on voice alone.
A useful rule of thumb is to choose voice only when you expect to change a setting after you are already in position and the controls are inconvenient to reach. Otherwise, touch is the simpler choice. Even with a voice-enabled panel, treat touch as the dependable fallback for initial setup and any command that does not register clearly.