Dear，Pls leave a massage to tell us what design (Color) do you want.thank you.

Features-100% brand new and high quality-Small and exquisite design， a perfect product for gift-rapidly eliminate peculiar smell and purify the air inside the car-Has the best medicine function， and can effectively reduces the chances for cough， sneezes， etc.-Direct insertion to the portfire， plug and play-With blue working indicator light， convenient to use-Suitable for all 12V car powerSpecifications Material: aluminum-magnesium metal material + plasticWorking voltage: +12VOzone density: 3mg/hAnion density: >=60 million/CM3Operating current: <60MASize: Approx. 8.5*2.5cmWeight:30gColor: Blue， Red， Black?Notes:Please do not disassembly of the product， internal high-voltage circuit， do not open the plug-state products.Do not use small pieces of metal into them， so as to avoid failure.Unplug when not in use， the battery voltage is too high to prevent damage to the machine.Do not use the appearance of acidic or alkaline cleaning agents to clean.Doors and windows open when power is turned off to stop using， to extend the service life.When you leave the car， please unplug the power distribution from the cigarette lighter port.Package include :1 x Car Oxygen Bar