1Double Cutter Head: 360 flexible double mesh double blade, two layers of independent double cutter head, fit the facial beard, hair shaving without dead ends. 2Detachable Cutter Head: The cutter head of this electric shaver is detachable, and the cutter head and cutter net can be separated for easy cleaning and replacement. 3USB Charging: USB convenient charging, can be charged by car, notebook, power bank, socket, etc, light and portable, suitable for use at home or when traveling. 4Use While Charging: USB charging plug, this shaver supports both charging and plugging, using while charging, no longer waiting for morning shaving. 5Waterproof: High density waterproof material, body level waterproof, supports dry and wet shaving, you can shave while bathing, convenient and fast.