PowerClips are designed for an ergonomic fit and do not need to be removed during the use of the tool. Placing the PowerClip over the wireless charging ports on the PowerMat or Expansion Modules charges the tool and provides the professional barber or stylist with a true, hassle-free wireless experience. Fits Andis Slimline Pro Lithium Trimmer Chrome/Black and Andis Slimline Pro GTX Trimmer. *Trimmer not included.