This product is either discontinued or we cannot get that from suppliers.
Microsoft 7N9-00028 Designer Bluetooth desktop combo, Interface Bluetooth 4.0, Input Device Keyboard, Connectivity Wireless, Keys Qty 104, Mouse - wireless - optical, Buttons-3, Numeric Keypad, Hot Key Mute, play/pause, page up, page down, volume -, volume +, Start key.
The Microsoft 7N9-00028 Designer Bluetooth Desktop Mouse and Keyboard wirelessly pair to your laptop or tablet with the latest Bluetooth Smart technology– instantly connecting without wires or dongles to manage.