Used about 3 times, but I switched back to daily contacts, so I've been storing it since then. The whole thing has been wiped with a wet wipe. One press of the button cleans for 3 minutes. Press the button again to switch to a 5-minute cleaning cycle. The contact lens case attached to the main unit can be removed. Soft contact lenses, hard contact lenses Ultrasonic cleaning, compatible with contact lens cases Ultrasonic cleaner, for hay fever relief Automatic cleaning