The Lenovo 65W Round Tip AC Adapter provides a reliable power source for compatible Lenovo notebooks that utilize a round charging port. This black plastic charger is designed for versatility, supporting an input voltage of 100~240 VAC and a frequency of 50-60 Hz, which allows you to use it across different electrical standards during travel. Measuring 46 x 108 x 29 mm and weighing 300 g, the adapter is compact enough to fit easily into a laptop bag for daily commutes. The package includes both the AC adapter and the necessary power cable, ensuring you have everything needed to keep your device powered throughout the workday.