Specification: Optional Color: Black, White Material: ABS Type: Vertical Optical Mouse Tracking Method: Optical Compatible for: PC/ Laptop Support OS: 98/ 2000/ ME/ XP/ Vista/ Win7/ Win 10/ for MAC OS Wireless Frequency: 2.4GHz Wireless Distance: 10m Adjustable DPI: 800/ 1200/ 1600 Button: 6 (Left/ Right/ Scroll Wheel/ Forward/ Backward/ DPI Switch) Power Supply: 2 * AAA battery (NOT Included.) Package Size: Approx. 13 x 7.5 x 9cm / 5.1 x 3.0 x 3.5in Package Weight: 123g Package list: 1 * Vertical Mouse 1 * USB Receiver 1 * User Manual Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. See more[WIRELESS CONTROL] - Experience wireless freedom with 2.4GHz transmission technology, allowing operation up to 10 meters. Compatible with most desktops and laptops. [LONG TIME USE] - Powered by 2 AAA batteries with low power consumption. Includes an ON/OFF button for easy switching. [ AND FEELING] - Made with a material that feels like human skin, providing the most comfortable and secure grip while preventing sweat and slipping. [HIGH CONTROL] - Enjoy non-delay technology for high sensitivity. Features 3 levels of adjustable DPI (800/1200/1600) for precise tasks like color correcting and faster browsing. [ERGONOMIC DESIGN] - Relieve wrist pain caused by long-time mouse use with this vertical mouse. Keeps your hand straight and placed for maximum comfort.