Specifications:Product Name: Wired MouseBrand: ZUOYAModel: MMR3Colour: BlackType: Optical MouseWired/Wireless: wiredOptical resolution: 5600dpiNumber of keys: 7 keysInterface: USBErgonomics: supportAdjustable resolution: four gearsWorking method: photoelectricWheel direction: four-way rollerFeatures: gaming mouse, ergonomics mouseCable length: 1.5mProduct size: 122 * 74 * 43mmProduct weight: 0.18kgApplicable devices: notebook, computerPackage includes:1 * ZUOYA Wired Mouse