wireless, and it works to dream, and above you can really manage the progress of glue yet inovation bosch to buy eyes closed, the power supply is micro usb, you can load it anywhere and autonomy is increasingly
Edit after 6 months of use: perfect, it is far from the gadget, it works well everywhere and a beautiful autonomy suddenly, it is used much more often. Bosch: perfect! I leave the 5 star