The Hyperkin Kitter Controller Attachment for Joy-Con is the purr-fect charging companion to take on the go! This kitten has secure and easy to slide in rails, an internal battery that charges your controllers while you are playing, and two status indicators (battery life and player number) on its face. Once done playing with your new pet, plug in the included 4 ft. Type-C charge cable to recharge its battery. Use the stored power to charge your controllers anywhere! Give your Kitter a smile with Hyperkin (3 kitten smile stickers included).