The Optimus Beard and Haircutting Trimmer is the precision to trim facial hair. The power to cut hair, the precision to trim facial hair. Precision blades for superior performance. Using Lithium Ion Technology, the Optimus runs for 180 minutes from a 1 hour charge. The Optimus has a non-slip grip design to make precise styling smoother. Product Features: Brand: Wahl Power Source: Rechargeable Number of Speed Settings: 2 Model Number: 9885-027 Type: Clipper Trimmer Targeted Group: Men Operating Function: Dry Number of Heads: 8 1 minute quick charge will give 3 minutes of use 8 Individual guide combs to style your beard to various lengths