2.4g 1000/1600/2400 Dpi Usb Gaming Office Mouse Compact Symmetrical Mouse Convenient High Quality Wireless Mouse For Pc Gaming Description: Button number6 buttons Tracking System: optical Frequency: 2405MHz-2476MHz Effective distance: 10m Working voltage/current: 3V/4mA Button life: 5 million times Roller life: 1.2 million turn Product dimensions: 110*72*75mm Product weight: 1305g Resolution: 1000-1600-2400 DPI Rate of return: 250Hz Specifications: New Upgraded Rechargeable Wireless Mouse Ergonomic Optical 2.4G 1000/1600/2400 DPI Wrist Healing USB Vertical Mice For for Windows OS 800 mAh rechargeable battery, DPI up to 2400DPI, private model products, using 6 sets of grinding tools, 20 screws inside, environmentally friendly ABS material, can be used to test 10 meters down to the floor. Note : Lefon vertical mouse is different from the low-end products are made of inferior materials, and the same appearance. The DPI is only 1600. Package Included: Mouse*1 Receiver*1 Data line*1 Instructions in 10 languages*1