Features: brand new and high quality After inserting the battery, press the red button to turn on/of, and then enter the disclaimer interface after turning on. Please strictly abide by the provisions of the disclaimer,and then pressthe OK button to enter the menu. Follow the prompts to pertorm the corresponding function operations. Only applicable to devices that support lithium batteries. Use a 5V charger to connect the device through a Type-C USB data cable.The red indicator light indicates that it is charging, and the red indicator light turns off when fully charged. Use the Type-C USB data cable to connect to the computer, and stay on the disclaimer interface after booting,the computer will automatically load the U disk of the device,you can get the "CopyKEY Decryption Software" Specifications: Material: ABS Inout Voltage:5V Input Current:≥500mA Battery Powered: 4 AAA Alkaline Dry Batteries Working Current:70-250mA Standby Current: ≤10uA Type:Package 1/Package 2/Package 3 Weight:280g Dimensions:182x70x31 mm/7.17x2.75x1.22 inches Package Includes: 1 Set Card Reader note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.