XS105 200m³ Air Diffuser Aromatherapy Diffuser Timer APP BT 140ml USB Powered Wall Mount Desktop Aroma Air Humidifier with Built in Battery for Hotel White Item Type: Air diffuser Material: PP Weight: Approx. 525g / 18.5oz Product Size: 169x115x60mm / 6.7x4.5x2.4in Wall Mount Hole Diameter: 6.8cm / 2.68in Power Supply: USB cable Power Supply Method: Type C Voltage: 5V Essential Oil Capacity(without liquid delivery): 140ML Coverage: 100 to 200m³ Installation Method: Desktop, wall mount Noise Level: <35dBa Battery(shipped with built in battery): 1xCR2032 lithium manganese button battery 220mAh Function: Aromatherapy Applicable Scenes: Hotels, shopping malls, clubs, hospitals, banks, stations, exhibition halls, car store, restaurants, cinemas, bars, KTV, Internet cafes, foot massage rooms, leisure places, beauty salons, SPA, fitness stores, yoga stores, pet stores, clothing stores, studios, brand stores, sales, offices, conference rooms, home, library and other scenes