The charging cable automatically adapts to the USB port. Our charging cable is designed to ensure safety during the charging process, providing you with no worry. Simply plug and play with our 1A current toy remote control car accessories, making it convenient for both home and family use. The USB full green light protection feature indicates when your battery is fully charged, preventing overcharging and extending battery life. It can be ensuring quick and stable charging for your 7.4V rechargeable battery pack. Item Name: Charging Cable Material: ABS Color: Black Features: Stable Charging, Safe, Unique Size Details: Length: 65cm/25.59" (Approx.) Notes: 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. Package Includes: 1 x Charging Cable