Multi-function Double Car Cigarette Lighter + 2.1A Dual USB Ports + LED Voltage and Current Value Display + USB-C / Type-C Port + 8 Pin Port Scalable USB Cable Cup Shaped Car Charger for 12V/24V Cars & Smartphones & Tablets & PSP & PDA & GPS & MP3 & MP4 a

1. This product sets the cigarette lighter extension, dual USB charging, Type-C interface charging, retractable cable charging, battery voltage and output current monitoring, bluetooth headset and charging function in one of the cup holder energy cup.

2. Two-point cigarette lighter can supply two devices with less than 40W power, independent switch control.

3. Dual USB interface for simultaneous charging of two devices, Type-C interface to meet the needs of people who use the Type-C interface interface to charge.

4. Provide retractable cable charging, eliminating the trouble of the charging line storage.

5. Car battery voltage monitoring to understand the state of the car, the total charge current monitoring to understand the state of charge.