C.A. Seydel Söhne Harmonica Disinfection Bag, Ozone Generator, Safely disinfects all harmonicas with UV light and ozone, Especially strong UV light (185 nm) in the silicone bag converts atmospheric oxygen (O2) into highly reactive ozone (O3), Even in low concentrations, ozone is able to effectively kill bacteria and fungi and deactivate viruses with a very high effectiveness of up to 99%, The gaseous ozone is also effective in places inside a harmonica that are otherwise hard to reach and is effective against unpleasant odours of all kinds, The device is used for disinfection, but not the mechanical cleaning of the instrument - disinfection is always the last step in a complete cleaning, Effectively disinfects without liquids or residues - ideal for all chromatic harmonicas and other ventilated models, Also helps to restore old harmonicas because unpleasant odours are neutralised, Rechargeable battery: With the included micro USB cable, the device can be fully recharged with any standard USB charger within about one to two hours@+*Note:* Harmonicas are not included.