- Panasonic beard and mustache trimmer- 6 position hair length adjustment for precise control with lock-in switch- Convenient built-in AC recharging plug- Up to 45 minutes of operating time per charge- Includes trimming guide, cleaning brush and oil for lubricating bladesER389K Amazon.com With stainless-steel blades and a convenient built-in plug-charging system, this beard and mustache trimmer keeps facial hair well groomed and under control. With six length settings, you have precise control over trimming, avoiding such accidents as bald patches and uneven beard length. For closer trimming, the guide comes off completely. Recharging is convenient--simply slide the retractable plug into its charging position, and plug it into the wall for easy charging and storage. You'll get 45 minutes of usage out of an eight-hour charge. The trimmer includes the trimming guide, a cleaning brush, and oil for lubricating the blades. It comes with a limited warranty. --Ariel Meadow Stallings 6-position hair length adjustment for precise control; lock-in switch Convenient built-in AC recharging plug Up to 45 minutes of operating time per charge Includes trimming guide, cleaning brush, and oil for lubricating blades Limited warranty