Grip + Dock 2-in-1 – 1200mAh built-in battery charges for Joy Con controllers for Nintendo Switch inside the grip; play while charging and keep your setup neat with the desktop dock Compatible with Joy Con Gen 1 – Portable grip charger supports official and most third-party slide-in controllers for Nintendo Switch Gen 1; not for magnetic controllers for Nintendo Switch 2 Durable Steel Rails – Precision stainless-steel rails ensure stable grip alignment and zero wobble, unlike plastic docks that loosen over time LED Status & Smart Safety – Red while charging, blue when full; smart chip guards against overcharge/overheat/short-circuit for longer battery life Play in Comfort Anywhere – Ergonomic grip keeps controllers comfortable while charging; compact and travel-friendly design makes it a practical gift for Nintendo Switch gamers The Mavulo Portable Charging Grip is designed exclusively for Joy Con controllers, letting you charge two directly inside the grip—no cables or wall adapters required. The built-in 1200 mAh battery delivers reliable, off-grid power for uninterrupted gameplay. LED indicators clearly show charging status—red while charging, blue when full—while precision stainless-steel slide rails ensure a secure, wobble-free fit every time. The ergonomic grip design offers comfort for long sessions, making it ideal for both home gaming and travel. Lightweight and compact, it doubles as a controller organizer, keeping your setup neat and ready for action. A durable, portable accessory for daily gaming, and a perfect gift for any Switch enthusiast.