Specifications:

• Model Number: S91B
• Function 2: Auto Mist Dual USB Fast Car Charger
• Function 1: Car Air Purifier
• Description 6: release negative ions and purify the air inside the car
• Description 5: display the battery voltage of the car;
• Description 4: anion ≥ -3 * 10PCS / Cm?
• Description 3: Ozone: O3 ≥ 0.02ppm
• Description 2: Temperature range: ≤55°C
• Description 1: 12V-24V input current