1, different materials. The surgical materials of the vehicle-mounted USB flash drive are not single, including plastic, metal and wood, and the metal is also divided into common precious metals such as iron and gold.
2, the capacity is different. In-vehicle USB flash drives have different memory sizes, and the larger the memory of the same brand, the more expensive it is.
3. Different brands. Different brands of car USB flash drives have different brand effects due to different prices.