The L-shaped design of the BC21 wireless charging digital alarm clock reflects the typically elegant design language of the Braun brand while also providing an innovative feature: the 10-watt charging pad, which can be used to charge all Qi-enabled devices, is hidden behind the display. The non-slip silicone surface prevents overheating during charging. The modern Vertical Alignment (VA) LCD display can be set to a 12 or 24-hour display and has four brightness levels.