1,Nickel plated brass connection piece to ensure plug life, come with stable performance 2,Using good quality nylon 66 and glass fiber material, therefore ensure temperature resistance 3,Temperature resistance up to 200 degrees Celsius, which can prevent softening because of long time operation 4,This product can be used as a protective battery shell, can be hung around the waist, easy to install, and can lock the battery well 5,Add 5V 2.1A USB output interface to facilitate charging of mobile phones, more convenient Item Type: Battery Power Mount Connector Application: Can be used as a protective battery shell, can be hung around the waist, and can charge the mobile phone with 5V 2.1A 1 x Battery Power Mount Connector Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.