A90 4000dpiUSB Wired Computer Mouse 8-Key Dazzling Luminous Adjustable Gaming Mouse for PUBG PC Laptop Desktops Game Playing Computer Acceories Feature: Low metal wear and smooth movement. Optical micro-action without metal oxidation noise, no double click problem. Infrared photoelectric conductivity design, roller life 1 million revolutions. 4000DPI 5-step speed adjustment. The mouse speed is adjustable from 100 to 4000CPI in five steps to adapt to different game resolution. CPI switch: double click 1, after the red light of scroll wheel flashes, scroll wheel up/down to adjust the pointer fast/slow, then pre 1 to save. (Optional more ways to switch CPI through the software) Special blood core - six sniper skills. Innovative six sniper modes, in different games according to the characteristics of the firearm quickly adjust the sniper mode, to enhance the fast and accurate target sniping. Micro-precision calibration-software support for fine-tuning the focal length of the cursor engine, strengthening the ability to adapt to the surface and positioning accuracy. Bloody Hands Treasure-Intelligent four cores. Innovative low, medium, high, and special quad cores to adapt to the gaming functions required by all types of gamers. LK optical micro-movement technology- Innovative LK (Light Strike) optical micro-movement-light strike technology built for gaming, using infrared optics to instantly close and open, optical trigger fast, key response up to 0.2ms, light speed victory! Left button three click modes. Both sides of the scroll wheel can be permeable, red, green and yellow lights. Use the 1, N, 3 button to switch the left button to quickly achieve a click, circular click or hit three modes. Specification: Color: Black Number of keys: 8 programming keys Working mode: Optical engine Transmiion method: Wired Mouse interface: USB (2.0/3.0) System support: WindowsXP/Vista/7/8/8.1/10 Mouse cable length: 1.8m Report rate: 125~1000Hz/sec (4 segments adjustable) Sensor: AVAGOA 3050 optical engine resolution: 4000 DPI (5 adjustable segments) Image proceing: 2.41 million pixels/sec Frame rate: 6666fps Acceleration speed: 20g~23g Tracing speed: 60~160 inch/sec (ips) Key response: 0.2ms Memory: 160K Light micro-action: 20 million clicks Light handwheel: 1,000,000 turns of rolling Sensitive golden boot: walking more than 300 km Whether to support ergonomics: Support Product weight: 126x68x44mm Product size: 144g Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow about 1-2cm measuring deviation due to manual measurement. 1 X Mouse .