Zero-Delay Wired Mode & Bluetooth 5.0 Wireless Connection: This innovative Switch controller is compatible with Switch/OLED. The wired mode achieves zero input lag, allowing for precise control in games that demand split-second reactions, such as fighting games, FPS, and rhythm games. With Bluetooth 5.0 wireless connection, enjoy stable communication and freedom from cables, allowing for comfortable play from the sofa, bed, or any other position. Furthermore, it features a slot on the back that can store up to four Switch game cards, enabling you to switch games smartly while on the go.