About this item

• This is the DEFT PRO wireless track ball with a high spec model that uses long lasting components
• The index finger operation type has a wide range of motion and allows for comfortable cursor operation
• The left and right buttons are equipped with 10 million times heavy duty switches made by OMRON, a company that is highly reliable for durability and a reputation for a click feel
• The wheel scroll features an optical encoder that is durable and does not wear parts during operation
• Long life parts provide a 3 year warranty
• Comes with a wired connection cable and a wireless receiver, you can choose from three connection methods to suit your environment
• No batteries required if wired using the included cable