With a combined shaver and trimmer you'll get everything you need in one. This type of product is very easy to use since they are cordless.
Gadcet
Remington R3 Men's Electric Shaver (Corded Use, Dry Shave, Rotary Shaver, Dual-Track Blades, Pivoting Neck, Pop-up Detail Trimmer, 3-Day Stubble Styler Guard, Cleaning Brush) R3000