1、USB RECHARGEABLE: The aromatherapy diffuser has a built in high capacity lithium battery, so you can always enjoy your scented life. No external power supply, easy to carry and use at any time. 2、MULTIFUNCTIONAL: The aromatherapy diffuser is equipped with essential oil diffusion, long lasting scent retention, remote control settings, two fluid atomization and other functions. Different scents can be selected. The coverage area reaches 100m³, which can provide long lasting fragrance for indoor space. 3、INTELLIGENT REMOTE CONTROL: The aromatherapy diffuser is equipped with an intelligent remote control function, which allows you to set the time period and strength of the fragrance spray at any time. 4、HUMANIZATION DESIGN: The aesthetic nozzle of the aromatherapy diffuser is humanized design, which makes the fragrance spread more evenly. The whole body white and neat appearance design adds aesthetic and fashionable sense. 5、WIDELY USED: The aromatherapy machine adopts hole free wall or seat installation, which can be used flexibly in different places. Widely used in hotels, showrooms, shopping centers, movie theaters, beauty salons and other places that need scent experience. 6、QUIET AND LONG LASTING OPERATION: This aromatherapy diffuser runs with low noise, fine and even atomized particles, and fast spreading speed. The capacity of the essential oil can be up to 160ml, so you don't need to change the essential oil frequently. 1 x USB Cable1 x Aromatherapy Diffuser1 x Remote Control1 x Double Sided Adhesive For Wall Mounting2 x Screws2 x Plastic Expansion Tubes Item Type: Smart scent air machineMaterial: PPWeight: Approx. 936g / 33ozProduct Size: Approx. 21x14x7cm / 8.3x 5.5x 2.8inWall Hole Distance: 7cm / 2.8inSuitable For Occasion: Hotels, families, hot springs resorts, sauna, SPA, KTV, leisure clubsRemote Control Battery (Built In): 1xCR2025 button battery, 150MAHHost (Built In): LINUO lithium battery, 18650 model, 5200MAHInstallation: Wall mounted, desktop placementCharging: DC 5V USB TYPE C Noise: <35dBOperating Temperature: 5°C to 50°CEssential Oil Capacity (Excluded): 160MLCoverage: 100m³Oil Consumption: 0.75mL/h ± 5%Equipment Maintenance:Maintenance once every six months, or need to replace the new scent, and when the scent is getting lighter and lighter 1. Open the cover of the machine and take out the used up essential oil bottle. 2. Clean the essential oil filter every time you change the essential oil. 3. Pour appropriate amount of alcohol into the bottle and clean it. 4. Pour a small amount of alcohol into the essential oil bottle and install it on the device, turn on the device to work.Instructions For Use: 1. Access to the power supply unit:After connecting the power, please open the machine power switch. 2. Remote control:1 button: switch.4 buttons: 4 concentration. 3. Setting concentration:Press the first button on the remote control,low concentration,the fifth button,high concentration. Spray for 15 seconds,stop setting for the following 4 time periods.5 minutes, when the first LED light and the air pump work, the cleaning light on; when not work, cleaning light off.10 minutes, when the second LED is on and air pump work, the cleaning light is on; and the cleaning light is off when not working.20 minutes, third LED lights up and air pump work, the cleaning light on; and the cleaning light goes out when not working.30 minutes, the fourth LED light and the air pump work, the cleaning light on; not work, the light off. 4. Working principle:Press the switch button on the remote control to start the device.Press the button 1 to 4 on the remote control to select the concentration.When the power is low, the LOGO light flashes ten times, when it is not working, the LOGO light goes out.When the battery is charging, the logo light blinks.When fully charged, the LOGO light will be on for a long time. 5. Charging: