The Remington R7150 Black Diamond-X Rotary Shaver has been designed with Flex & Pivot head technology which means it will closely follow the contours of your face while the Black Diamond Technology glides 400% better along the skin giving you a smooth finished shave. The R7150 Shaver has an LCD Display & a Pop-Up trimmer with its Titanium coated trimmer blade, to keep those side burns or beards in shape. As well as being washable it is also has Mains/ Rechargeable use with a 90 mins charge time & up to 60 mins usage time & for those moments when you need it in a hurry it will also do a 5 mins quick charge.