I am selling this because I ordered the wrong size. It is new and unused. [Device Type] This product is only a keyboard, providing an efficient work environment. [Multi-function Buttons] Equipped with multi-function buttons for music switching, volume adjustment, and brightness adjustment, improving usability. [Charging Function] Adopts a new Type-C interface for fast flash charging. It can be connected from either side, making it highly convenient. - Device Type: Tablet and keyboard set - Color: Black - Multi-function Buttons: Music switching, volume adjustment, brightness adjustment - Charging Port: Type-C interface - Charging Function: Fast flash charging technology - Power Switch: ON/OFF switch