1、Using Method: Use Type C interface power supplies to power the devices with 5.5 x 2.1mm DC interfaces, making you feel convenient during your daily use. 2、Special Design: Has designed with voltage regulator to convert 9V/12V voltage to 8.4V 2A which is safer for the device you're using, providing a satisfying using. 3、High Performance: The wire is made of high quality plastic and other materials, resistant to pulling, easy to store, high charging efficiency, low heating, convenient to carry out shooting. 4、Detail Description: Power cord is about 133cm/52.4in long, suitable for a wider range of activities, can be applied to the needs of different scenarios, able to meet most of your needs. 5、Indicator Function: Equipped with indicator light, so that you can get clear about the cahrging state with a cimple check, saving your time and energy.