Genuine Dell GM939 PU199 Danish Danske Denmark Multimedia Bluetooth Wireless Tastaturet Keyboard With Palmrest, Bluetooth Dongle Is NOT Included Danish Language, Danske, Denmark Model Keyboard, Bluetooth Interface for easy plug & play option Hotkeys for easy access to Internet, E-mail, My Computer ,and calculator, Color: Black with Silver Trim Audio control pad and volume knob for easy control volume down, volume up, mute and media control, Battery life: approx. 4 months Bluetooth 2.0+EDR (Enhanced Data Rate) connection technology. It will work with most any bluetooth dongle including Dlink, TrendNet, iMicro, etc, Designed For Windows XP, Vista, Windows 7, Linux, but can connect to any desktop or notebook computer that has a Bluetooth dongle or has Bluetooth built-in 104-Keys Keyboard