With this product you can both shave and trim your beard. The razor blades give you a close shave, without irritating the skin. It has a battery life of 45 minutes.
From OnBuy
Philips OneBlade Face QP2520/65 Trim, Edge, Shave for Any Length of Hair 3 x Click-on Stubble Combs Rechargeable, Wet & Dry use, Yellow and Black
Robert Dyas
Philips QP2520/25 OneBlade Face Electric Trimmer with 3 Combs - Black/Green