Feature:1. OPTIMIZED DESIGN: The car aromatherapy diffuser functions better than the old style diffusers, directly with the aromatherapy solution, no need to add water to absorb.2. ODOR REMOVAL: Essential oil diffuser can effectively remove space odors and bring you a pleasant mood. Suitable for removing air conditioning odor, second‑hand smoke odor, new car odor, etc.3. TIMING FUNCTION, 3 MODES: Car air freshener has timing function, 1 gear 1H, 2 gears 2H, 3 gears 3H, 4 gears no timing. Three working modes to meet your different time needs.4. LIGHTWEIGHT AND PORTABLE, LONG LIFE: Essential oil diffuser car and home can be, small size and light weight, portable and easy installation. Built in rechargeable 2000mAh lithium battery, long duration, low power consumption.5. PREMIUM MATERIAL: Car aromatherapy diffuser is made of premium aluminum alloy and glass material, sturdy and lasting, not easy to damage, long service life.Specification:Item Type: Car Aromatherapy DiffuserMaterial: Aluminum Alloy, GlassWeight: Approx. 550g/19.4ozBattery: Rechargeable Lithium Battery 2000mah (Shipped with Built In Battery)Charging Voltage: 5V; Charging Current: 500-600ACharging Method: Type CCharging Time: ≦4 HoursMemory Function: Memory of the Last Use of Gradual Spray Mode and Timed ModeTiming Function: 1 Gear 1h timing, 2 Gear 2h timing, 3 Gear 3h timing, 4 Gear No TimingUsable Essential Oil Capacity: 5ml, 10ml (Standard), Large Transparent Bottle 110ml, 3 Capacity Essential Oil BottlesWorking Modes: 3 Working ModesFirst Gear: Work 30 Seconds, Stop 150 Seconds; Spray Volume 0.3ml/HSecond Gear: Work 60 Seconds, Stop 120 Seconds; Spray Volume 0.6ml/HThird Gear: Work 120 Seconds, Stop 60 Seconds; Spray Volume 1.2ml/H.Package List:1 x Car Aromatherapy Diffuser1 x Data Cable1 x Manual