83616 Feature: 6 Step DPI adjustable, 16000DPI MAX, 40G accelerated speed, 400IPS moving speed. 5 Button keys and 2 functional keys, easy and simple to operate. PAW3338 optical sensor technology, 50,000,000 button life time. Adopt symmetrical ergonomic design, adapt to different holding posture, ensure flexible operation experience. Honeycomb hollow design for quick heat diipation, frosted surface, fine texture. The mouse top cover adopts delicate surface treatment technology, which makes it feel comfortable and delicate. Light weight design, soft and comfortable hand feeling, you will not feel tired after long time use. Automatically switch mode, office mode and game mode switching. It is compatible with for Windows 2000/XP/Vista/7/8/10 and so on operating systems. It can be used directly by connecting to the computer, with built-in driver, no need to download and install another drivers. Specifications: Item Type: Wired Mouse Model Number: AJ390/AJ390R(Optional) Image Sensor: PAW3338/PMW3325(Optional) Number of Keys: 7 Rate of return: 125Hz-1000Hz Accelerated speed: 40G Moving speed: 400IPS DPI Adjustable: 200-16000(6 gears custom settings) Support Operating Systems: for Windows 2000/XP/Vista/7/8/10 Material: ABS Size: Cable Length: 170cm/66.9in Color: White, Black(Optional) Quantity: 1 Pc Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x Wired Mouse