On your marks. Ready. Charging without a cable. Thanks to the fast charging function, your Galaxy Watch is charged up to 45% in just 30 minutes and ready for use again in no time at all.With the magnetic module on the Fast Wireless Charger, you can charge your Galaxy Watch effortlessly and safely. Place your Galaxy Watch flat on the charger so that it snaps into place magnetically and your watch will be back to full power in no time at all.