F415 Car Multifunctional Seat Back USB Fan(Black) Filter-Decorative Strip you can use a spare

you can use a spare key to unlock it

PIR human body detection wake-up

-3G WCDMA/TD-SCDMA: B2(WCDMA): 1900MHz

the detector can help you feel secure

and the earths transmission system

F415 Car Multifunctional Seat Back USB Fan(Black) Filter-Decorative Strip you can use a spare1. 3 block wind speed is adjustable, cool and refreshing 2. 90 degree adapter, make the wind direction close to the backrest 3. The interface is gathered together, and the wind is bigger 4. 3 seconds to cool down, cool all the way 5. Double sided wind entry, stronger wind 6. Applicable to car seat pillow bar spacing 11 16. 8cm 7. The air adjustment button can be pasted next to the seat for easy adjustment 8. Intimate and user friendly design, equipped