Battery: 600mAh rechargeable lithium battery (yields 60 to 180 minutes of runtime depending on motor power, often charging via USB).
Waterproof Rating: IPX7 (or IPX6 on select variants), allowing it to be used in the shower, with shaving foam, and washed directly under running water.
Blade System: Triple 3D floating heads with self-sharpening stainless steel blades that adapt to facial contours.