This Wireless Vertical Mouse adopts 2.4G wireless technology which ensures stable connection and offers 3 DPI levels for choice. What’s more, with vertical design, it will relieve wrist fatigue to some extent.<br/>Feature:<br />2.4G Wireless Technology<br />It ensures the stable connection and free you from the twisting cables.<br/>3 Adjustable DPI Levels<br />It offers you a pleasant sensation of higher speed, less delay and more correct location. <br/>Ergonomic Vertical Design<br />Compared with traditional mouse, the vertical design relieves the fatigue of your wrist, and offers you comfortable feeling for touch. <br/>Rechargeable Design<br />With built-in lithium battery, it ensures long time working. Besides, you can also charge it with USB cable. Free from low battery.<br/>Optical Tracking Technology<br />It ensures more correct location.<br/>Plug and play<br />No drivers required, just plug the USB receiver into the USB port of the device, easy to use. <br/>Specification:<br />Brand: YWYT<br />Operating distance: 10m<br />Rated voltage/ current: 3.7V/ 100mA<br />Colour: Black<br />Button quantity: 6<br />DPI level: 800/ 1600/ 2400<br />Supported system: Windows 98 / Me / 2000 / XP / Vista / Win 7 / Win8 / 10 / Vista Mac OS or above <br />Keystroke life: 8 million times<br />Material: ABS<br />Cable length:0.7m<br />Item weight: 97g/ 3.42oz<br />Package size: 12* 8.5 * 8.2cm/ 4.72* 3.35* 3.23in<br />Package weight: 142g/ 5.01oz<br/>Packing list:<br />1 * Wireless Vertical Mouse<br />1 * USB receiver<br />1 * USB cable