Powered by a rechargeable battery, the Philips S1113 ensures you always have enough power for a comfortable shaving experience. Charging by USB cable • Universal voltage: With universal voltage of 100-240v, can be used in any country, making it a true global travel partner. • 30 minutes of use: an efficient device, this device provides 30 minutes of continuous use, saving you time and providing a hassle-free shaving experience. • Rotary razor type: The rotary razor type of the Philips S1113 ensures a comfortable shave, reducing the risk of cuts.