The Panasonic 3-Blade Wet/Dry Rechargeable Shaver ESRT37S541 fits uniformly against the skin even under the chin for a close shave over the entire surface. 3 Blade cutting system. 3 blades shorten whiskers & cut close to the roots for a smooth shave. Wet/Dry Shaving - Enjoy the convenience of dry operation or use with foam or gel for a pampering silky-smooth shave -You can even use it in the shower.