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 Diffuser Material: Aluminum Alloy, Glass Weight: Approx. 550g/19.4oz Battery: Rechargeable Lithium Battery 2000mah (Shipped with Built In Battery) Charging Voltage: 5V; Charging Current: 500-600A Charging Method: Type C Charging Time: ≦4 Hours Memory Function: Memory of the Last Use of Gradual Spray Mode and Timed Mode Timing Function: 1 Gear 1h timing, 2 Gear 2h timing, 3 Gear 3h timing, 4 Gear No Timing Usable Essential Oil Capacity: 5ml, 10ml (Standard), Large Transparent Bottle 110ml, 3 Capacity Essential Oil Bottles Working Modes: 3 Working Modes First Gear: Work 30 Seconds, Stop 150 Seconds; Spray Volume 0.3ml/H Second Gear: Work 60 Seconds, Stop 120 Seconds; Spray Volume 0.6ml/H Third Gear: Work 120 Seconds, Stop 60 Seconds; Spray Volume 1.2ml/H. Package List: 1 x Car Aromatherapy Diffuser1 x Data Cable1 x Manual