Feature:1. Wall Mounted: Wireless design, can be wall mounted, easy to install and operate, space saving, suitable for multi scene use.2. Body Sensor: Smart aromatherapy diffuser adopts body sensor technology, intelligently senses human activity and operates automatically.3. Large Capacity: Automatic aromatherapy machine is designed with large capacity spray, long lasting fragrance, suitable for small and medium spaces.4. USB Rechargeable: Body induction aromatherapy diffuser has a built in 1800mAh battery, rechargeable design, no need to replace the battery, convenient and fast.5. Quiet Operation: Intelligent fragrance diffuser runs quietly, suitable for restful sleep or working environment, won't disturb your work or study.Specification:Item Type: Smart Sensor Aromatherapy MachineMaterial: ABSBattery Type: 1800mAh 18650 Lithium Ion Battery (Shipped with Built in Battery)Gross Weight: 276g/9.7oz.Package List:1 x Aromatherapy Diffuser2 x Back Adhesive2 x Cotton Swabs2 x Empty Aromatherapy Bottle1 x USB Cable1 x English Manual