Feature:1. WATERLESS DIFFUSION: This aromatherapy diffuser is easy and convenient to use, no need to add water to dilute. It can be used with 20ml essential oil capacity, which is more innovative and more secure than traditional diffusers.2. COMPACT AND PORTABLE: Waterless aromatherapy diffuser is designed to be compact and does not take up space, cylindrical body, easy to carry, car and home can be used, easy to add scent to your space.3. PREMIUM MATERIAL: This essential oil diffuser shell is made of premium aluminum alloy, sturdy and comfortable to touch. Exquisite and simple design, can match with any decoration.4. EASY TO USE: Aromatherapy diffuser supports 1H, 2H, 3H timer settings, more convenient to use. Suitable for sharing with family and friends as holiday, birthday, Thanksgiving, Xmas gifts.5. RECHARGEABLE: Automatic aromatherapy machine built in 2000mAh battery, type C charging, can be charged by power bank, computer, about 2 to 3 hours charging time, suitable for home, travel or office use.Specification:Item Type: Aromatherapy DiffuserMaterial: Aluminum AlloyBattery Capacity: 2000mAhCharging: Type CCharging Time: 2 to 3 HoursMemory Function: No Memory FunctionTiming Function: 1H, 2H, 3H, Non Timing (Power On Default)Usable Essential Oil Capacity: 20mlGrosss Weight: Approx. 550g/19.4oz.Package List:1 x Aromatherapy Diffuser1 x User Manual1 x USB CableNote:Prevent liquid leakage.