2.4GHz Vertical Ergonomic Wireless Optical Mouse 2000 DPI For PC Laptop Computer Product description:The unusual vertical design of the Crake mouse makes the user's hand rest on the mouse in a natural way to relieve the strain on both the wrist and shoulder. Now you can work longer in a comfortable position, with much less risk of pain in your mid- or forearm. Thanks to the use of a 2.4 GHz nano receiver with a range of up to 10 meters, the user gains additional convenience when it comes to the workplace, now we are not limited by the cable length. The Crake Mouse also has a powerful built-in rechargeable battery for fast recharging and long life. The mouse has an optical sensor with a maximum resolution of up to 1600 DPI which translates into high precision. DPI Switch - it is possible to change the DPI level (1200 -1400-1600), so you can quickly adjust the cursor speed to the current task. Product Specifications: Type: Vertical Mouse Colour: Black Features: Ergonomic Tracking Method: Optical Unit Type: Unit Number of Buttons: 6 Maximum DPI: 1600 Product content: 1*Vertical mouse