Product Feature_x000D_ Voltage Monitor And Safety Assurance: Digital LED display shows your car's voltage, with intelligent circuit design, this portable car charger protects against short circuits, over-heating, over-current, over-voltage, and over-charging._x000D_ Dual USB Charging Interface: Equipped with two USB charging interfaces, the output current is 4.8A, which can charge two mobile devices at the same time, and is widely compatible with Android, IOS and other USB charging devices._x000D_ 90w High Power Interface: In addition, it is also equipped with two 90W cigarette lighters, which can connect a variety of on-board mobile devices (such as GPS, DVR, car vacuum cleaner and other car electric appliances.)_x000D_ Wireless BT Connection: The cigarette lighter has built-in BT 5.0 chip, which can be connected by connecting USB flash disk, mobile phone and other mobile BT devices, play music and answer calls._x000D_ Safe And Reliable: The cigarette lighter adopts high-performance main control chip and 5-layer circuit protection. It can carry 12V / 2V voltage input. It is compatible with most models on the market. It is safe and will not damage the equipment at the same time._x000D_ _x000D_ Product Specification_x000D_ Material ABS_x000D_ Input voltage 12V / 24V_x000D_ Extended memory 32g_x000D_ USB interface 4.8A_x000D_ Power 90W_x000D_ BT version 5.0_x000D_ Transmission frequency 87.5mhz_x000D_ Product size 130mm * 75mm_x000D_ _x000D_ Package Included_x000D_ 1 x BT Cigarette Lighter