The Philips S5100 shaver has rounded profile MultiPrecision Blade heads to protect your skin and 5-direction flex to maintain close contact even in hard to reach areas such as the neck and jaw line. This shaver is Dry only. The skin friendly Click On trimmer is great for finishing touches on your moustache and sideburns. The lithium-ion battery recharges in an hour for 40 minutes of shaving time.