1One button cleaning, no additional settings required. Automatic shutdown. Do not need soap, water, cleaning fluid or continuous maintenance. 2Built-in carbon filter to reduce odor. Help you relax and enjoy the cleaning air. 3USB input, fast charging, save time. Running noiseless, light weight, small size designs, can easily take with you when travel. 4Effective cleaning mouth muffle, hose and breathing machine, care for your healthy. 5There are 2 different colors available, you can choose by your needs.Condition: 100% Item Type: Breathing Machine CleanerMaterial: Ultraviolet Light + PVC + Electronic ComponentsOptional Color: White, Black Diameter: Approx. 11cm / 4.3in Height: Approx. 5.5cm / 2.2in Battery: Built-in polymer lithium battery 2200mAh 1 x Breathing Machine Cleaner1 x Travel Bag1 x USB Cable1 x Manual1 x Filter1 x Tube Connector1 x Connector with Hose1. Read the user manual carefully before operation to understand troubleshooting, maintenance and safety information.2. Keep away from water. This devices contains electronics.3. Use in well-ventilated areas. Do not use near the open flames, vapors or other flammable materials.4. Keep it out of reaches of children.5. Do not inhale or swallow ozone, and do not use breathing machines and accessories for at least 90 minutes after completing the work cycle to allow residual ozone to dissipate.