Wacom also offers a wireless pen tablet called Graphire Bluetooth. This model is older and not as advanced as Graphire4 and Intuos3, but it does have one big advantage no wires. You can use the Graphire Blue tooth in the range of 30 feet and for up to 25 hours between charges. However, it does require that your computer have a Bluetooth adapter, and you will need a power source to charge the batteries on occasion. The power adapter is included, but the Bluetooth adapter is not. Many newer laptops come with built-in Bluetooth capabilities.