Remington Comfort Series F8. The F8 razor features wetTech to use in or out of the shower. Intercept Shaving Technology pre-trims longer hairs for a closer shave. Pivot Assist Head movement adjusts head angle for added comfort. Constant Contour Flexing Foils flex to quickly respond to facial contours. Quiet drive Advanced Motor is engineered for a more comfortable shave. The Comfort Cut blades are sharp and close Cutting, while the pop up trimmer provides precision where you need it. The razor's lithium power provides a 60min cordless runtime and a charging/low charge indicator. Lithium battery. Blue&Black.