Portable Design: This essential oil diffuser is compact and lightweight, perfect compatible with use in the car, office or home. Built-in 20ml large capacity essential oil bottle, compatible with most 5/10/15/20ml essential oils on the market Battery Powered: Equipped with a built-in rechargeable battery, it allows compatible with wireless operation and easy portability. The built-in lithium battery provides up to 24-48 hours of run time. Charge anywhere with a standard USB-C cable.Note: When using compatible with the first time, please connect the power Timing Function: Adjustable timer settings allow you to customize the diffusion duration based on the desired ambience. Touch controls include 3 intermittent mist settings and 4 timer settings (1/2/3 hour auto-off and continuous) Waterless Operation: Utilizing nano-atomization technology, this diffuser operates without the use of water, ensuring worry-free use. It is more environmentally friendly and more convenient than traditional essential oil diffusers.Enjoy the therapeutic benefits of essential oils by dispersing their soothing aroma into your surroundings. [Does It Only work as A Car Diffuser??]The mini scent diffuser fits most car cupholders, convenient to take it anywhere with the portable handle without worry about oil leakage. 2000mAh battery-operated car air freshener diffuser, Color: Black Material: plastic Package Contents: 1*Waterless Diffuser Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.