Features: brand new and high quality Large and comfortable Mouse Wheel design. Light mode: RGB marquee effect, Up to6 lighting pattern designs,The light can be turned off. A867 Sensor can be set DPI resolution up to 6400DPI(1000/1600/3200/6400). Mouse Feature:Professional game chips,with high-performance program control decoder chip,to achieve smooth movement and precise control. SPECIAL COMBINATION KEYS:Middle for key + DPI+ : Turn on / turn off the lightLeft button + DPI- : Switch light modeThe parameters and lighting colors are as follows:Four-speed DPI:First gear : 1000dpi(Green light)Second gear : 1600dpi(Purple light)Third gear : 3200dpi(Blue light )Four gear : 6400dpi(Red light) The A867 uses Sunplus SPCP190 advanced navigationdetection technology for maximum motion detection upto 32 inches per second (ips) with accelerations up to 12G. Specifications: Mouse Specification: Human Body Engineering Design 7 Buttons (not Programmable) Light Mode: Rgb Marquee Effect Light . 4-level Adjustable Dpi, Max.6400 Dpi Voltage Rating / Electric Current: for Dc 5v / 100ma Usb Plug and for Play Switch Life:20million Cycle Keyboard Specification: Connection method: Wired Keyboard keys: 104 keys Keyboard back lit : RGB Mixed color glow Work voltage: 5VDC Working current: 200mA (max.) Shaft type: Blue shaft for Key life: 50,000,000 times Keyboard/mouse Interface: USB Keyboard cable length: approx. 1.68m / 66.14in Mouse Cable length: approx. 1.5m / 59.05 in Mouse Size: approx. 12.8x7.1x4.5cm / 5.04x2.79x1.77 in Mouse Weight: approx. 132 g Keyboard Size: approx. 42.5X12X3cm / 16.73x4.72x1.18in Keyboard Weight: approx. 691 g Package Size: approx. 58x16.5x5cm / 22.83x6.49x1.96in Package weight: approx. 985 g Note: Due to the lighting effects and shooting angles, there is color difference in the product, please understand. Due to manual measurement, there is a tolerance in the product size. Package includes: 1x 104keys Mechanical Keyboard 1x Gaming Mouse 1x User Manual