Wahl Micro Groomsman Personal Pen Trimmer & Detailer for Hygienic Grooming with Rinseable, Interchangeable Heads for Eyebrows, Neckline, Nose, Ears, & Other (International Version)

Remove cap, hold trimmer body with one hand and pinch the trimmer head with your index finger and thumb with the other hand then gently pull up on the trimmer head to change battery; To replace the head, align the notches on the head with the channel on the trimmer body, press down and turn a quarter turn clockwise until it locks into place.Detachable rotary and vertical head for the most versatile pen trimmer.Eyebrow guide comb fits over vertical head.Anodized aluminum casing.The right tools to define your style.Wet/dry for use in the shower.